FiiO

The FiiO Tiny DAC and Amp Offers a Simple Plug and Play Design, Compatible with a Variety of Devices

• Direct plug-in design
• Supports PCM 384kHz + DSD256 decoding
• Precise PEQ tuning
  
• Tiny A: 3.5mm output + Type-C charging
• Tiny B: 3.5mm + 4.4mm outputs

10-Band PEQ Tuning 

With a built-in audiophile-grade DSP chip, you can precisely dial in your sound with 10 adjustable frequency bands. Use the FIIO Control App or web interface to fine-tune the frequency, gain, and Q-value to your liking. You can also save your custom sound profiles on the cloud server and share them with others, bringing a personal and social twist to your experience. 

Dual Versions With Different Connectors

TINY A: 3.5mm + Type-C, supports up to 2A/20V fast charging, allows for music listening while charging.

TINY B: 3.5mm+4.4mm headphone outputs, a single-ended architecture achieving power output comparable to a balanced one, supporting simultaneous output from both ports.

Tiny Yet Powerful

With support for high-resolution audio up to PCM 384kHz/32bit and DSD256, the TINY works seamlessly with everything from your smartphone and PC to even professional audio equipment. It may be a small device, but it packs powerful performance.

In-line Controls and Microphone

The TINY supports in-line controls and call recording, giving you quick and easy command of your audio. Use your headphones’ in-line controls to not only control music playback and volume, but also handle calls, sing karaoke, record, or even voice chat while gaming.

Compact Metal Design

A minimalist plug-and-play design with a T-shaped side output prevents bending during use. Just plug it in and you’re ready to go—portable, effortless, and convenient. The TINY’s full metal body is crafted through precise CNC and polishing processes for a smooth, vivid finish. 

Widely Compatible

With support for Android/iOS/HarmonyOS/Windows/MacOS/Linux, you can conveniently use the TINY with various other devices. The TINY supports both UAC2.0 and 1.0 protocols. The UAC1.0 mode provides easy compatibility with non-Android gaming devices like the Switch and PS5, improving both sound quality and the user experience when used with those devices. 

Specifications

• DSD Sampling Frequencies: 11.2896 MHz (DSD256
• PCM Sampling Frequencies: 384kHz
• Inputs: Type-C
• USB Compatibility: Windows 10,iOS,Android,OSX 
• PCM Word Length: 24bit
• Outputs: 3.5mm + 4.5mm 
• Dimensions: 35mm x 24mm x 10.8mm
• Weight: 10g

In the Box

• Tiny unit
• Quickstart guide
• Warranty card

Protect Your DAP in Style With the SK-M21C Retro Cassette-Style Case for the FiiO M21

• Custom case for FiiO M21 DAP
• Crafted from high-transparency polycarbonate
• Cushioned inner edges to protect device while inserting

Retro Musical Journey

A retro cassette-style case custom made for the M21, with precisely-cut openings and a perfect fit. The case is made of specially selected polycarbonate materials, giving it a pure, sleek look while keeping it light and portable. Connect to the M21 through the special contacts, and start your retro HiFi journey with a push of a button. 

Thoughtful Attention to Detail

Opening and closing the case is made easier thanks to the magnetic opening/closing design, easy to slot-in design, and perfectly placed card slots. The case features cushioning pads near the edges to prevent accidental bumps and general wear when inserting device into the case. 

The First in FiiO's New Era of Portable HiFi, QX13 Combines Flagship-Grade Amplification, Magnetic Modularity, and a Decade of DAC Expertise

• 900mW + 900mW Desktop-level power in a portable DAC/amp
• Features the ESS 8-channel ES9027PRO DAC
• 6 TI high-precision op-amps
• Carbon fiber body with 1.99-inch color display
• Includes magnetic protective leather case

FiiO QX13

The QX13 marks the inaugural masterpiece of FiiO's new series, incorporating over a decade of their DAC/amp technological expertise. By integrating the amplification prowess of the Q-series with attachable/magnetic design features, it establishes itself as a high-specification HiFi USB DAC with a comprehensive ecosystem.

Desktop-Grade DAC

The ESS Sabre Pro ES0927PRO chip features a fully differential audio architecture design with 8 channels set up in parallel. It is paired with a pair of ultra-low-noise ES9312 regulators for precise output matching on each audio channel. Audio signals are accurately restored thanks to this pair of chips' optimized power efficiency and effectiveness in reducing clock jitter.

High-End TI Op-Amps

The QX13 features four wafer-level INA1620 precision amplifier chips, strategically arranged in a custom internal layout to drastically reduce crosstalk, even under demanding conditions. This design ensures cleaner channel separation and enhanced clarity. Complementing this are two low-distortion OPA1692 op-amps, delivering consistently dynamic performance across a wide range of load scenarios.

Patented Desktop Mode

Thanks to its advanced configuration, optimized audio circuitry, and improved heat dissipation, the QX13 delivers desktop-class power in desktop mode, rivaling full-size headphone amplifiers while maintaining exceptional energy efficiency. It also features a high-precision power meter that intelligently evaluates the capabilities of connected USB power sources, automatically adjusting gain and output to ensure optimal performance for any setup.

Digital and Analog Separation

To ensure precise and dynamic signal processing, the QX13 separates its digital and analog boards and shields them with an isolation cover. This not only minimizes interference between circuits but also enhances thermal management by efficiently absorbing and dissipating heat, allowing the QX13 to maintain stable, high-power output over extended use.

XMOS 16-Core XU316

The QX13 delivers professional-grade USB audio performance with ultra-low latency and support for up to 768kHz/32-bit PCM and native DSD512 decoding. Dual femtosecond crystal oscillators with ultra-low phase noise and minimal temperature drift ensure precise handling of all sampling rates for optimal sound quality.

Powered by the XMOS XU316 processor, the QX13 also features a 10-band lossless PEQ, easily adjustable via the FiiO Control app for Android or through a web interface, giving you full control to tailor your sound to perfection.

Specially-Designed Audio Architecture

The QX13 distills the architecture of high-end DAC and headphone amplifiers into a remarkably compact form. With dual precision crystal oscillators ensuring accurate digital-to-analog conversion, the QX13 maintains signal integrity at every stage. The audio path includes multiple layers of analog processing—LPF voltage amplification, BUF current boosting, and parallel-enhanced current expansion—delivering sound quality on par with full-sized professional DAC and amp setups.

Premium Build

Pushing the boundaries of what is possible, the QX13 is made with up to 21 layers of stacked carbon fiber for a lightweight, yet durable build. The QX13 features an extra-large color display outfitted with third-generation high-strength glass with scratch resistance. Multiple newly developed UI themes powered by a 32-bit processor ensure the user experience is unrivaled among audio dongles.

Specifications

• Full list of FiiO QX13 specifications
• Dimensions: 64.2mm x 30.7mm x 13mm
• Weight: 33.7g (Carbon fiber), 39.2g (Aluminum alloy)

In the Box

• FiiO QX13 portable DAC/amp
• Leather case
• Type-C to C data cable
• Type-C silicon plug (pre-installed)
• Screen protector film
• Ring-shaped magnetic conductor
• Quickstart guide
• Warranty card

FiiO PL50 is Designed to Replace Standard Switching Adapters and Provide Cleaner, More Stable Voltage for High-End Audio Equipment

• Dual voltage outputs for versatile compatibility
• Custom 50VA toroidal transformer made from Japanese steel
• Metal housing with AC input EMI filter
• Lower noise floor, tighter dynamics, improved clarity and richer low-end tone

Seriously Good Sound

The PL50, a high-quality linear power supply, brings to your sound a lower noise floor, more refined dynamics and transients, and a more accurate, warmer tone to lower frequencies. Since the low-frequency noise of linear power supplies is fixed in frequency, this noise can be better and more accurately filtered out. In addition, the large PL50 is also equipped with a filter circuit at the end of the AC, for filtering out interference generated by other electrical devices used on the same AC circuit for even cleaner and more stable power.

Custom Transformer

The PL50 features a custom 50VA audiophile-grade toroidal transformer, made of high-quality Nippon Steel iron and high-purity oxygen-free copper wires for higher efficiency, higher precision, more stable voltage, and higher energy output. They by their very nature have numerous advantages, allowing them to be very efficient. This is due to the coils in the transformer not having a set angle at which they are bent, leading to a more uniform magnetic field and less magnetic flux leakage.

Complex Circuit Design

The PL50 features a complex circuit design that has been fully thought through to ensure reliable operation. EMI filtering, transformer rectification, voltage regulation sampling, and multi-stage filtering are all parts of the circuit design so that you can use the PL50 without worry.

Premium Internal Components

Every component of the PL50 is carefully selected for maximum performance and reliability—including a Shindengen bridge rectifier, TI voltage regulator, and premium capacitors from Nippon Chemi-Con and Rubycon.

Specifications

• Transformer: Customized 50W toroidal transformer
• Bridge Rectifier: Shindengen 25A 60OV flat bridge
• Voltage Regulator: TI voltage regulator chip
• Filter Capacitor: Nippon Chemi-Con and Rubycon capacitors
• Inputs: (3x) Three-in-one sockets
• Output: Aviation plug GX16-2 socket
• Weight: Approx. 4lbs

In the Box

• FiiO PL50
• User manual

Genuine Leather Protective Case for the FiiO M23 Digital Audio Player

• Genuine specially selected leather case
• Design compliments the M23's bold design
• Heat dissipation grilles
• Velcro design

M23 Case

Crafted from carefully selected premium genuine leather, the case exudes a sense of luxury and refinement, with a soft texture that perfectly complements the M23’s bold, robust aesthetic.

A signature metal grille at the rear enhances heat dissipation while adding a touch of industrial elegance. At the top, a discreet Velcro closure offers both convenience and confidence, ensuring quick, secure access without the worry of accidental openings.

Experience Premium Portable Audio with the FiiO m23, Featuring Flagship DACs and Versatile Connectivity for Music Lovers on-the-Go

• Flagship AKM DACs ensure exceptional audio clarity and detail
• Dual 4-way balanced THX AAA78+ amps
• High-capacity 5500mAh battery and dual fast-charging support
• Premium build with desktop mode for continuous playback
• Bold, cutting-edge, stainless steel/aluminum design
• Check out our FiiO 2025 Buyer's Guide here!
  
• The stainless steel version is sold out and discontinued

Flagship DAC Combo

The FiiO M23 utilizes the flagship AKM DAC combo, the AK4191EQ and AK4499EX DACs. It is a new design that totally separates the digital and analog portions and also features the "DWA Routing Technology" to further improve the signal-to-noise-ratio. These technologies allow for a purer audio background and for higher resolution audio, resulting in a relaxed yet natural sound.

8-Way Parallel Amplification

Refining the AAA 78 amps found in the M11 Plus and Pro, FiiO equips the M23 with dual 4-way fully balanced THX AAA 78+ amps. They combine for true, balanced 8-way parallel amplification with greater power output while maintaining high fidelity music.

High-Caliber Audio Architecture

In the M23 is a high caliber audio architecture consisting of DAC, I/V, LPF, voltage amplification, and parallel amplification stages. Responsible for handling the I/V and LPF stages are 2 low noise and high-precision OPA1612 op-amps. The voltage amplification is taken care of by 2 low-noise and high-bandwidth OPA1662 op-amps. Together, these op-amps ensure audio signals are accurately played back at ample power outputs.

4-Stage 20-Rail Power

In order to handle all of this advanced analog and digital internal circuitry, FiiO gave the M23 a robust 4-stage 20-rail power supply. The system is comprised of independent digital and analog power supplies. The analog supply has separate rails for the DAC, small and large amplification parts, four stages of power processing: OVP, adaptive and LDOO voltage stabilization, high-efficiency voltage boosting, and Pi filtering.

A total of 28 high-capacity polymer tantalum capacitors are used to store large amounts of reserve energy when needed, with the primary analog power supply getting 4 KEMET low ESR high ripple suppression polymer tantalum capacitors, the THX power supply getting 12 KEMET capacitors, the I/V & LPF power supplies getting 6 AVX capacitors, and the DAC receiving 6 KEMET capacitors.

Additional Features

Dual-Mode Fast Charging
To help deliver the fastest charging times while maintaining battery health, the M23 can utilize extreme fast charging of up to 30W at a lower battery level, and auto-switch to a slightly slower normal fast charging mode when the battery is closer to being full.

Patented Desktop Mode
When desktop mode is activated, the M23 is completely powered by an external power source. The M23 can be used as desktop equipment without fear of damaging the battery.

8 Panasonic Film Capacitors
In the LPF section, 8 Panasonic film capacitors are used to give the M23 the ability to produce stable and consistent sound at each frequency band from both the left and right channels.

Large 5500mAh Battery
Specially selected low-resistance fast-charging batteries that employ high-temperature resistant material are paired with a low resistance MOS protection board to ensure the batteries will last a long time.

Digital Audio Purification System
The DAPS (Digital Audio Purification System) as featured on the M23 consists of both the FiiO HiFi audio core that bypasses the original Android version plus a low-jitter clock compressor.

Global PEQ and All-To-DSD
A 10-band PEQ can be used in any operating mode to adjust EQ frequency points, gain, bandwidth, and Q value. This lets users fine tune or correct headphone frequency to their personal preferences, and All-to-DSD can be activated to experience audio in different formats.

6 Operating Modes
Enjoy your music the way you want with six different operating modes: Roon Ready, Android, Pure Music, Bluetooth, AirPlay, or over DLNA from a NAS, over a local network, or cloud servers through UPNP, SMB, or WebDav.

Specifications

• Model: M23
• SoC: Snapdragon 660
• DAC: AK4191EQ+AK4499EX
• Amp: 4-way THX AAA-78+
• Audio Resolution
  • DSD256: 384 kHz / 32-Bit
  • DSD512: 768 kHz / 32-Bit
• Charging: AW32271
• ROM: 64GB/46GB
• Gain Modes: Super High/High/Medium/Low Gain modes
• Adaptive Impedance
  • PO: 8~150Ω
  • BAL: 8~350Ω 
    
• Bluetooth 5.0: SBC/AAC/aptX/aptX HD/LDAC/LHDC
• Max Supported Sampling Rate
  • Local: up to 384kHz-32bit/DSD256
  • USB DAC: up to 384kHz-32bit/DSD256
  • USB Audio: 768kHz-32bit/DSD512 (supports DoP/D2P/Native)
• Inputs/Outputs
  • 1/8" / 3.5mm Headphone
  • 4.4mm Balanced headphone
• Battery: Rechargeable Lithium-ion Battery 5500mAh
• Audio Power Output
  • 730 mW at 16 Ohms (Balanced Headphone Out, High Gain)
  • 1000 mW at 32 Ohms (Balanced Headphone Out, High Gain)
  • 240 mW at 300 Ohms (Balanced Headphone Out, High Gain)
  • 630 mW at 16 Ohms (Balanced Headphone Out, High Gain)
  • 475 mW at 32 Ohms (Balanced Headphone Out, High Gain)
• Maximum Output Voltage: 23.5 Vp-p (Balanced Headphone Out, High Gain)
• Crosstalk: 117 dB at 1 kHz (Balanced Headphone Out, High Gain)
• Dimensions: 3" x 5.4" x 0.7"
• Weight: 10.5oz

In the Box

• M23 DAP
• Screen protector (pre-installed)
• Case
• USB-A to Type-C adapter
• Tray eject pin
• GPL V2 manual
• Warranty card
• Type-C to Type-C charging cable
• Quick start guide

The FiiO M21 Reinvents Entry-Level DAPs With a New Snapdragon 660 Processor and Desktop Mode, a First for FiiO in This Class

• Portable high-res lossless music player
• New octa-core 6nm Snapdragon 680 processor
• Features four Cirrus Logic CS43198 DAC chips
• Fully balanced 2-stage amplification
• 4.7-Inch compact HD screen
• Retro cassette-style case available

A New Entry-Level Benchmark

The FiiO M21 is equipped with the Qualcomm Snapdragon 680 processor. It has superior performance with less power consumption than the SoCs used by players in the same class. It provides a smooth user experience with the integration of Android 13. In addition, the 6nm process technology improves performance and lowers power consumption.

Full of "Hearty" Power

The four Cirrus Logic DAC chips allow for an eight-channel fully differential output design. This fully unleashes the potential of headphones with class-defying dynamic performance and high anti-interference capabilities. The headphone amplifier section adopts a two-stage circuit design. The first stage is responsible for voltage amplification, while the second stage handles current expansion, all ensuring purer sound with rich detail.

Patented Desktop Mode

Desktop Mode makes an appearance on an entry-level FiiO player for the first time in the M21. When Desktop Mode is enabled, the M21 is completely powered by an external power supply. The built-in battery is neither charged nor discharged, allowing you to use the player safely on the desktop without degrading its battery. 

A Jump in Performance

In portable mode, the M21 operates with standard voltage power supply. When using the external power "Super High Gain" mode, the player automatically switches to using a high-voltage power supply with 21Vpp (300 ohms) peak drive voltage and 950mW (32 ohms) massive output power. This delivers desktop-level power output, making the player a better fit with a wider fit of earbuds or headphones for an auditory feast.

Flagship-Grade Power

There are separate power supply paths for digital and analog circuits, which effectively reduce crosstalk between the two. The result is more precise digital processing, purer analog output, and enhanced driving power. The analog circuit is further subdivided into multiple independent power supplies for components such as the DAC and headphone amplifier. This clean and robust power delivery enhances the dynamic range and leads to greater reproduction of details in the audio.

Hi-Fi Parts for Better Sound

In the M21's audio circuit are high-precision thin-film resistors and low- temperature-drift capacitors that ensure refined and stable sound quality. Additionally, fine circuits such as the DAC and headphone amplifier are equipped with over 10 low-impedance, high-capacity tantalum capacitors. These provide abundant energy reserves and a robust power supply for more powerful, dynamic sound.

The fully aluminum alloy body with an AG frosted glass back offers a delicate texture and comfortable grip. The screen features an oleophobic coating that significantly reduces fingerprints and smudges, making for smoother touch operation.

Global Audio Optimization

FiiO developed a custom crystal oscillator specifically for the M21. It has been carefully selected to meet the femtosecond-level standards, in order to ensure consistency and stability in its output. With a high-precision, low-jitter unified clock source, it accurately matches PCM and DSD audio at various sampling rates, ensuring precise reproduction of digital audio signals.

Long Battery Life and Fast Charging

The M21's 4000mAh high-voltage battery provides up to 15 hours of ultra-long battery life. This effortlessly provides the energy for extended listening sessions when commuting or traveling, allowing you to fully immerse yourself in the world of music. It also supports 20W PD fast charging, enabling quick recharges even during short breaks.

Specifications

• Full list of specifications
• SoC: Snapdragon 660
• OS: Android 13
• DAC: (4x) CS43198
• Battery Life: 15hrs SE, 12.5hrs BAL
• Bluetooth: 5.0
• Dimensions: 68mm x 121mm x 17mm

In the Box

• FiiO M21 DAP
• Tempered film screen protector
• Protective case
• Warranty card
• Quickstart guide
• USB data cable
• GPL V2 instruction manual

FiiO Redefines Audio Excellence with the Powerful and Versatile M17 Portable Desktop-Grade Digital Audio Player

• Features dual 8-channel ES9039PRO DACs
• 3000mW per channel THX AAA-788+ amp
• Qualcomm QCC5124 Bluetooth chip
• 5.99" HD display
• Two power supplies, two volume control modes
• Check out our FiiO 2025 Buyer's Guide here!

Redefining Portable Expectations

The smart desktop-class M17 is an entirely new chapter of FiiO digital audio players. It's desktop-grade DAC, amplification, power supply, etc. give it the output power and sound quality to rival and perhaps even surpass highly-regarded desktop systems, but in a portable package. Let the M17 redefine what is possible with portable audio players.

ES9039PRO DAC

The left and right audio channels each contain a desktop-class, 8-channel ES9038PRO flagship DAC. This means that each audio channel has 8 parallel outputs summed together for superior resolution and minimal distortion for extremely pure audio reproduction.

THX 788+ Headphone Amp

Desktop-class amplification also plays an important role in the M17. FiiO and THX jointly developed the exclusive THX AAA 788+, an upgraded version of the original op-amp. Compared to the original, the output power is increased by 225% up to 3000mW per channel with a lower output impedance, allowing it to more effortlessly power all kinds of headphones.

Desktop-Level Features

Desktop-Grade Gain
Under battery power, there are 4 gain levels: low, medium, high, and headphone mode. When under DC mode, the Enhanced over-ear headphone mode gain is unlocked, with a truly desktop-level of amplification gain. In balanced output, gain can get as high as 16dB, allowing the M17 to easily drive most headphones.

Desktop-Level Connectivity
Thanks to its larger size, the M17 features a variety of connectivity options allowing for many different convenient uses.

Desktop-Quality Power Supply
The M17 contains two power supplies, a battery power supply and a power supply powered by external DC power. The battery power supply allows you to use the M17 in situations where there is no access to a power outlet. Under DC power supply, voltage in the analog circuit is increased by 35% up to 11.5V compared to under battery power supply; and the battery is kept healthy since it is not used in this mode.

Desktop-Tier Heat Dissipation
With exceptional audio quality comes large power consumption, so effective heat dissipation was a large focus when designing M17. Not only are "H" type heat dissipation and VC liquid cooling technologies adopted, the M17's 151g unibody aluminum alloy frame also effectively transfers heat out of the device. Finally, the cooling fan stand also further makes sure heat is rapidly transported away.

Desktop-Caliber Internals
High-end TI OPA2211 Op-Amp - A voltage noise as low as 1.1nV@1kHz and THD+N of -136dB results in extremely clean amplification.

470mF DMF Supercapacitor - Equivalent to 10,000 47uF tantalum capacitors and with very low ESR of 45m ohms (only 15% of that tantalum capacitors), providing a solid foundation for a large power supply.

Ultra-Low Noise LT3045 LDO - An ultra-low noise, ultra-high PSRR low-dropout voltage linear regulator featuring Linear Technology's LDO architecture an extremely low RMS noise of 0.8VRMS in the 10Hz-100kHz frequency band for stable, clean power to the DAC chip.

NDK Femtosecond Crystal Oscillator - Provides a high-precision, low-jitter unified clock source for the entire audio circuit.

A True Smartphone-Like Experience

Qualcomm Snapdragon 660
it equips the open Android 10 that allows the installation of third-party apps.

Flagship QCC5124 Chip
Bluetooth 5.0 with support for aptX Adaptive Bluetooth reception.

XMOS Receiver Chip
Ultra-low, supports up to DSD512 and 32-bit/768kHz.

Gravity Sensor
Screen can be automatically rotated like a smartphone thanks to the gyroscope.

Extremely Fast Transfer
USB 3.0 writing speeds can hit up to 100M/s, allowing file transfers to complete within minutes or even seconds.

MQA Supported
Supports MQA unfolding for master-level sound.

Supports Roon Ready
Roon tested with high proficiency in managing related local files and streaming playback.

PEQ Precise Tuning

The PEQ (Parametric Equalizer) function was designed for the M17, which supports 10-band self-defined tuning. On the FiiO Music App, users can self-adjust the frequency, gain level, Q value, etc. achieving more accurate frequency response among every frequency range while ensuring high-fidelity sound quality. It supports up to 192kHz/24bit under PEQ style.

Physical Digital-Analog Separation

Within the M17 are 17 PCBs with immersion gold finish, with the analog and digital sections physically separated by being on two different boards to reduce interference between the two portions. 7 high-conductivity copper alloy shields also provide shielding to greatly reduce internal and external electromagnetic interference on analog audio signals within the M17.

Highly-Optimized Modular Internal Structure

The M17s design took 1.5 years to complete, going through 6 major design iterations with 12 rounds of internal structural design optimization. The result is a device that makes excellent use of its internal space. Within the M17 are carefully stacked analog and digital boards with thoughtful use of stainless-steel hexagons-which allowed FiiO to stuff nearly twice the surface area os PCBs compared to normal in such a limited space.

Design

The futuristic, seamless, CNC-finished aluminum unibody design evokes a sense of technological wonder. The mech-inspired sharp lines of the body, buttons, and atmospheric lights give the M17 a bold and charismatic aura.

The M17 features a 7-color RGB ambient light system with extensive customization options. Colors can be set to be either fixed, to follow the audio, or follow a cycle. The brightness of the light can be set to change depending on current power, volume, or temperature. Top and side lights can be controlled separately, allowing you to dial in exactly how you want your lights to look.

Specifications

• SoC: Qualcomm Snapdragon 660
• DAC: ES9038PRO x2
• Amplifier: THX AAA-788+
• Bluetooth: QCC5124
• USB Receiver: XMOS XUF208
• Max Sampling Rate: 32-bit/786kHz, DSD512 (Native)
• Output Power
  • ≥1.5W (16Ω/THD+N <1%)
  • ≥3W (32Ω/THD+N <1%)
  • ≥500mW (300Ω/THD+N <1%)
• Noise Floor: ≤3.5uV (A-weighted)
• SNR: ≥123dB (A-weighted)
• THD+N: ≤0.0007% (1kHz/32Ω)
• Dimensions: 6.17 x 3.48 x 1.1” 
• Weight: 1.3lbs (610g)
• Battery
  • Capacity: 9200mAh
  • Battery life: approximately 10 hours (single-ended), 8 hours (balanced)
  • Charging time: approximately 4.5 hours (with quick charge)
  • Standby: 1,000 hours
• Memory (RAM): 4GB
• Total Storage (ROM): 64GB/ approximately 46GB
• Expansion storage: single micro-SD card slot, theoretical support to up 2TB
• Gain: low/medium/high/headphone mode/enhanced headphone mode (when powered through DC)
• Channel balance: L20~R20 (0.5dB per level)

In the Box

• FiiO M17
• External DC adapter
• Cooling stand with fan
• PET screen protector
• Leather case
• Micro-SD card ejector pin
• USB 3.0 data and power cable
• Aluminum dust plug

Introducing the FiiO K9 Pro ESS, a High-Performance Bluetooth DAC and Amp Boasting Pure, Clean Sound

• Dual ES9038PRO DACs ensure high-precision audio decoding with ultra-low distortion
• Designed for home audio setups (Desktop USB audio + active speakers)
  
• Supports MQA decoding and Bluetooth LDAC for studio-quality audio
• Offers fully balanced circuitry for superior sound quality and separation
• Versatile Connectivity: Includes USB, Bluetooth, optical, coaxial, and balanced inputs/outputs
• Check out our FiiO Buyer's Guide here!

K9 Pro ESS

Inside the K9 Pro ESS are two ES9038PRO DAC chips, specifically designed for maximum performance in desktop-grade equipment. One ES9038PRO chip, with all its 8 parallel outputs, is used for each channel to achieve richly detailed sound with minimal distortion.

Pure, Clean Sound

The THX AAA 788+ chips used in the K9 Pro ESS provide exemplary details and dynamics no matter if you are using low or high-impedance headphones. The K9 Pro ESS can produce 1100mW under a 300-ohm load and 2100mW under a 32-ohm load undistorted, and 50% higher than the original THX AAA 788 amplifier chips.

Precision Design

Fully Differential, Fully Balanced
Fully differential signals go through the DAC, volume adjustment, and amp for a truly balanced design. Such a design ensures minimal interference between different components in order to fully maintain all details and large dynamic swings in music for unmatched sound quality.

Separated Analog and Digital Sections
The PCB of the K9 Pro ESS uses a partitioned layout, where the power supply and signals are not only separated, but the analog signal loop is also put in an independent section guaranteeing the integrity of the audio signal being processed.

Six-Stage Audio Circuit
Every audio signal goes through a mammoth 6-stage circuit to reproduce music as faithfully and as detailed as possible.

Robust Power Supply

Linear Power Supply
Electricity is the mother of sound, so special attention was paid to optimizing the K9 Pro ESS's power supply to ensure excellent sound. The K9 Pro ESS's linear power supply—with its low-frequency transformer and four massive 4700uF capacitors—makes sure that the rest of the system gets abundant clean power.

Isolated Digital and Analog Power Delivery
The digital portions of the K9 Pro ESS physically receive power separately from the analog portions for effective shielding against audio interference between the two circuits. This ensures pure and faithful reproduction of your music.

LDOs for Each Circuit Stage
Besides the special high-performance linear power supply, the power stabilization and filtering within the audio circuit is also a big contributor to the K9 Pro ESS's excellent sound. Specifically, in each stage of the audio circuit, ultra-low-noise LDOs are employed for voltage regulation.

Precision Clock Management

A dual-mode clock management design is utilized for the K9 Pro ESS. Under USB and Bluetooth decoding, dual asynchronous femtosecond clocks are used, while under optical and coaxial decoding, automatic PLL clocks are employed. A more precise clock management system makes it easier to handle any kind of source and maintain the maximum quality possible.

MQA Renderer, Lossless Sound Reproduction

The K9 Pro ESS supports the unfolding of MQA tracks, allowing you to listen to high-resolution audio files that are not only reasonably sized, but also retain master-level sound quality that bring you directly into the recording studio.

Hi-Res Bluetooth

The K9 Pro ESS employs the Qualcomm QCC5124 chip to handle Bluetooth duties, with support for formats such as LDAC, aptX HD, and aptX Adaptive. This chip ensures that Bluetooth connections are both reliable and quick, satisfying both the low latency needs for games/videos and the high bitrate necessary for high-resolution audio.

Volume Control

Adjusting the volume may look like a simple concept, but a good execution of it is crucial to an excellent audio experience. The ADC curve reconstruction method of volume adjustment used in the K9 Pro ESS effectively minimizes any left-right channel volume imbalance and noise. It also results in a smooth change of volume across all levels. This attention paid to the simple process of volume adjustment is just another layer to making sure you truly savor your music with the K9 Pro ESS.

The RGB indicator lights surrounding the volume knob light up differently depending on the currently playing sample rate.

Three Gain Levels

Choose between high, medium, and low with a physical switch to fit your needs when listening to your particular pair of headphones. Thanks to the pure hardware gain circuit, even when listening at low gain with high-sensitivity headphones both dynamic range and musical fidelity remain un-compromised.

Custom Stand

The included custom stand not only reduces the amount of space the K9 Pro ESS takes on your desktop, it also allows for more efficient dissipation of heat through convection, making the stand a true example of both form and function.

Specifications

• Power Supply: AC + built-in Linear Power Supply
• Digital Input Interface: USB, Optical, Coaxial, Bluetooth
• Analog Input Interface: RCA, 4.4mm BAL
• USB Interface: USB-C
• Headphone Output:
  • BAL XLR + 4.4mm
  • SE 6.35mm + 3.5mm
• Line Out:
  • RCA
  • BAL XLR
• Audio Processing Layers: 6 layers
• Clock Design: Dual mode dual crystal oscillator
• USB Chip: XMOS XUF208
• MQA: Renderer
• Bluetooth: QCC5124
• Audio Clock: High precision PLL + dual crystal oscillator
• DAC: (2x) ES9039PRO
• Output Mode: HP/LO/DAC
• Amp Chip: Dual THX AAA 788+
• Output Power (PO)
  • 2100mW(32 Ω),281mW(300 Ω)
  • Balance: 2100mW(32 Ω),1100mW(300 Ω)
• Output Power (BAL)
  • 2100mW (32Ω)
  • 1100mW (300Ω)
• Peak Output Voltage: 52Vpp
• THD+N: ≤ 0.00025%
• SNR: ≥ 129dB
• APP Control: Android/iOS
• Dimensions: 8" x 9" x 3" (excluding feet)
• Weight: 6lbs
• Material: Aluminum alloy

The FiiO K7 Combines Dual DAC Precision and THX AAA Amplification in a Compact Design for Premium Desktop Audio Performance

• A desktop DAC and Amplifier available in both standard and Bluetooth-enabled versions
• Dual AK4493SEQ DACs provide clear, detailed sound
  
• Lightweight, simple design to perfectly fit on modern desks
• Features RBG lighting and a compact form factor for desktop setups
• Offers versatile connectivity with 4.4mm balanced and 6.35mm single-ended headphone outputs
• Check out our FiiO 2025 Buyer's Guide here!

A New Baseline for Desktop Sound

The K7 has a six-stage audio circuit with truly balanced analog and digital sections. This helps to reduce crosstalk and reproduce music to a great extent, allowing you to better enjoy the purity of your music.

Using the same THX AAA 788+ amplifiers as the FiiO K9 Pro, the K7 is capable of outputting 560mW into a 300Ω load at 1% distortion and 2000mW into 32Ω load at 1% distortion. This ensures both low and high impedance headphones are powered with aplomb, and most importantly lets you experience musicality that's sure to tug at your heartstrings.

Dual DACs

The left and right channels are each equipped with an efficient high-performance AK4493SEQ DAC. With this DAC's pleasant timbre, its rich and delicate overall sound will let you rediscover your music all over again.

HD Bluetooth

The Bluetooth version of K7 uses the QCC5124 chip, supporting high-definition Bluetooth formats like LDAC/aptX HD/aptX Adaptive. When using the K7 BT, switch the input mode to Bluetooth, and you will acquire a low-latency Bluetooth transmission and hi-res sound quality. Additionally, the FiiO Control App helps to further enhance your wireless experience.

Additional Features

Robust Decoding Capabilities
The XMOS XUF208 decoder chip uses dual clock management to handle various music formats with ease, allowing you to easily listen to many audio formats.

RGB Indicator Lights
The RGB indicator lights are capable of displaying single colors as well as mixed colors, with a unique light flow effect during power-on/off or input switching.

Intelligent Protection Systems
Overheating, overload, DC protection systems ensure that your device always operates at its best, so you can always enjoy a wonderful listening experience.

Pure, Clean Listening
The K7 features a power design of multiple independent stages, with a voltage of each stage being regulated by low-noise LDOs. Feeding this power design is an external 12V switching power supply.

Variety of Inputs
The K7 contains USB, optical, coaxial, and RCA inputs. Outputs are 6.35mm single-ended and 4.4mm balanced for pleasant listening no matter the headphones.

Two Gain Levels
The high and low hardware gain levels allow you to easily adjust the K7 to handle headphones of various impedances and sensitivities for rich and consistent listening.

Quality Construction
The K7 features an all-aluminum alloy construction, carefully finished with CNC and other processes. Its elegant black color is perfectly complemented by the gold accents of the THX and Hi-Res Audio badges. The RGB lights add a splash of color for a thoroughly luxurious experience.

Precisely Tuned Volume
Thanks to ADC curve reconstruction, experience a smooth 112 steps of adjustable volume free of channel imbalances and noise, ensuring that every note is faithfully reproduced.

Specifications

• DAC: (2x) AK4493SEQ
• Decoder: XMOS XUF 208
• Amplifier: Dual THX AAA 788+
• Outputs: 6.35mm/4.4mm
• Inputs: USB/OPT/COAX/RCA
• Output Power
  • ≥2000mW (32Ω, balanced/THD+N < 1%)
  • ≥1220mW (32Ω, single-ended/THD+N < 1%)
• SNR: ≥120dB (A-weighted, UAC)
• Noise Floor: PO < 4.4uV (A-weighted, UAC); BAL < 7.7uV (A-weighted, UAC)
• Output Impedance: < 1Ω (32Ω load)
• Weight: 1.3lbs
• Dimensions: 4.7" x 6.6" x 2"

In the Box

• K7 DAC/Amp
• Power cable
• Power adapter
• USB cable
• Warranty
• Quick start guide

Featuring Dual AKM AK4499EX DAC Chips, the K17 Offers the Perfect Combination of Modern Design and Advanced Audio Technology

• Discrete Class AB headphone amplifier
• High-power 4000mW+4000mW balanced output
• Features flagship AKM DAC chipset
• Custom low-noise power supply with separate analog and digital circuits
• Three ultra-low phase noise femtosecond crystal oscillators
• 3.93-inch Touchscreen for effortless control
• Check out our FiiO 2025 Buyer's Guide here!

New Frontiers of Modern Technology

As a next generation desktop headphone amplifier, the FiiO K17 is where elegance and cutting-edge technology meet. The K17 is built for audiophiles who demand clean power, low noise and versatile connectivity. The discrete Class AB circuit, dual AKM flagship DACs and 4000mW + 4000mW output make this amplifier stand at the top of its game. The K17 is not only the successor to the K9 Pro, it is also an exploration of new possibilities for high-end desktop DAC and headphone amplifiers.

Exceptional Components

The K17 features an M21586Q DSP chip, capable of double-precision 64-bit floating-point calculations and runs at a high 360MHz clock frequency. The chip is complemented by a ES9821Q ADC and a specially customized ultra-low phase noise femtosecond crystal oscillator. These three components allow the user to utilize the 31-band high-precision lossless PEQ.

Discrete Class AB Amplification

The K17 is built with a fully-discrete Class AB transistor current amplification headphone amplifier. Using ON Semiconductor MJE243/253 transistors, this design delivers high current with low output impedance. The result is 4000mW+4000mW of balanced output, enabling it to drive a wide range of headphones.

Fully Balanced

From the DAC to the I/V conversion, low-pass filtering, and headphone amp, the entire audio circuit features a fully differential architecture. This design enhances dynamic range and minimizes crosstalk. Key stages, including I/V conversion and LPF, utilize multiple low-noise OPA1612 precision op-amps for a powerful, detailed sound.

AKM Flagship DACs

The K17 holds an AKM flagship DAC chipset—AK4191+AK4499EX (x2). Each channel is handled by an AK4499EX. The 8-channel to 4-channel LPF design reduces common mode interference, resulting in better channel separation and dynamics. The design also incorporates AKM’s "DWA ROUTING" technology, ensuring a clean background and detailed sound reproduction.

Multi-Stage Power Supply

The K17’s analog circuitry is powered by a multi-stage supply, featuring dedicated control circuits for each signal path stage. Low-noise TPA7A47/7A33 LDO regulators provide secondary voltage regulation, ensuring stable, clean power for pristine audio performance.

Low-Phase Noise Femtosecond Crystal Oscillators

The K17 features three top-tier ACCUSILICON ultra-low phase noise femtosecond crystal oscillators—AS318-L (45.1584MHz, 49.1520MHz) and AS318-Pro (24.576MHz). These minimize phase noise, ensuring precise signal restoration across various sampling rates for purer, more consistent sound.

Dual-Core Design

The K17 is driven by a high-performance X2000 multi-core processor—with a primary XBurst@2 core, two logical CPUs, and an XBurst@ small core—for precise audio processing and stable playback with minimal energy use. It also features a low-power ESP32-S3 SoC with an Xtensa 32-bit LX7 dual-core (up to 240MHz) and an ultra-low power co-processor, ensuring a fast, responsive, and energy-efficient experience.

Additional Features

Physically Separated Boards
The internal power supply, digital, and analog sections are each housed on separate circuit boards to prevent interference. This design preserves signal accuracy and integrity, delivering purer, cleaner audio output.

Low-Noise Power Supply
Powering the K17 is a custom high-quality low-noise transformer, ensuring the purity of the power supplied. Additionally, five 4700uF electrolytic capacitors provide ample power reserves to ensure a steady supply of power.

Wire and Wireless
With Gigabit Ethernet and 2.4G/5G Wi-Fi, the K17 offers fast, stable network connectivity, allowing you to stream lossless audio seamlessly, without dropouts or interruptions.

Specifications

• Display: 3.93-inch LCD (240×1020) bezel-less screen
• DAC: AK4191EX + AK4499EQ (2x)
• USB Decoding: XU316
• Bluetooth Decoding: QCC5125
• Amplifier: MJE243G/253G discrete transistor current amplification
• MCU: ESP32-S3
• SoC: X2000
• Dimensions: 24.46 x 21.3 x 6.68 cm
• Weight: 6lbs

Full list of specifications

• FiiO K17 DAC & headphone amplifier
• AC power cord
• Remote control
• XLR4 plug cover
• Fuse
• USB data cables (x2)
• Headphone plug adapter
• Warranty card
• Quick start guide

The FiiO K15 Features New Dual AKM DAC Chips That Deliver Rich Detail Across the Entire Frequency Range

• Class-AB transistor current-boosting headphone amp circuit
  
• Powerful 3000mW + 3000mW balanced output
• Dual AKM AK4497S DAC chips
• Two ultra-low phase noise femtosecond crystal oscillators
• 3.93-Inch touchscreen

Dual High-End AKM DAC

The FiiO K15 is among the first to use two of the new high-end AKM DAC chips, the AK4479SVQ featuring the upgraded 'Velvet Sound' audio technology. The chips achieve low distortion, a wide dynamic range, and extended signal bandwidth, all at low power consumption. Rich detail is retained in both low and high frequencies for a natural and immersive sound experience.

Discrete Architecture

Within the K15 is a carefully designed discrete headphone amplifier circuit, featuring an OP + transistor current-boosting design. A complementary pair of the classic ON Semiconductor MJE243G/253G delivers high current and low impedance output. This discrete circuit can achieve balanced output power up to 3000mW + 3000mW, allowing the K15 to effortlessly drive both full-sized headphones and in-ear monitors, producing smooth, natural, yet melodious sound.

Fully Balanced Audio Circuit

From DAC decoding, low-pass filtering, and gain control to headphone amplification, the K15's audio circuit is a fully differential design. Such a design ensures wide dynamic range while also effectively reducing crosstalk, minimizing noise, and enhancing the quality of sound.

Precisely Designed Power Supply

DC/AC Dual Power Supply
The K15 features a built-in next-generation 30W low-noise, high-efficiency, long-lasting, industrial and instrumentation-grade power supply. The K15 also supports external DC power supplies, allowing it to work with higher-performance linear power supplies for even higher sound quality. 

Separate Digital and Analog Section Power Supplies
Such a design helps to effectively avoid crosstalk between the digital and analog sections of the audio circuits. The result is better power isolation and improved anti-interference abilities.

Multi-Stage Analog Power Supply
The analog section features a precisely-segmented multi-stage power supply, including stages for digital-to-analog conversion, LPF, and transistors. 

Precisely Restored Signals

Inside the K15 is the industry-leading ACCUSILICON ultra-low phase noise AS318-L crystal oscillator (45.1584MHz, 49.1520MHz) that effectively reduces phase noise interference in audio signals. This promises precise reproduction of audio signals at various sampling rates. 

Dual Master Cores

High-Performance Multi-Core X2000 Processor
This processor is powered by a unique design featuring dual XBurst@2 cores + XBurst@0 micro-core, to deliver exceptional computing performance at ultra-low power consumption. This ensures precise audio signal processing, guaranteeing stable and smooth music playback.

Efficient MCU ESP32-S3
Integrated into this chip is a high-performance Xtensa 32-bit LX7 dual-core processor and an ultra-low-power coprocessor, featuring a clock speed of up to 240MHz. This chip enables precise system control for a highly efficient and fast user experience.

A Harmonious Fusion

The K15 features FiiO's signature design blending square and round elements, merging retro elegance with cutting-edge technology. Thoughtfully crafted for both functionality and aesthetics, it displays convenient screen controls and multiple knobs for smoother operation. In addition, the grid structure enhances heat dissipation, showcasing the brilliance of its meticulous design. 

Specifications

• Full list of specifications
• Dimensions: 244.6mm x 213mm x 66.8mm
• Weight: 2100g

In the Box

• FiiO K15 DAC/amp
• AC power cord
• Remote control 
• XLR4 decorative plug
• Fuse
• (2x) USB data cable
• Headphone plug adapter
• Warranty card
• Quickstart guide

Experience Pristine Digital Audio with the FiiO K11 R2R, a Desktop DAC and Headphone Amplifier that Delivers Reference-Level Sound

• Utilizes a Resistor Ladder DAC, known for its warm, analog sound
• Dual OPA1642 op-amps deliver ample power to drive demanding headphones
• Supports up to 384kHz/32bit and DSD256
• Multiple input options: USB, coaxial, and optical inputs
• Compact size and robust aluminum chassis, ideal for desktop setups
• Check out our FiiO 2025 Buyer's Guide here!

Specially Designed Audio Circuit

The audio signal is transmitted via a USB interface processor to a digital audio bridge. After being processed by an FPGA, it is sent to the R2R DAC for 4-channel output after decoding. It then passes through two Ti OPA1642 op-amps for low-pass filtering and single-ended analog signal converting, and transmits to the NJW1195A electronic volume control chip for precise volume adjustment. The output stage uses two SGM8262 op-amps for 4-way phase inversion and amplification, resulting in outputs of singed-ended and balanced analog signals.

The audio circuit features gain controls. It is complemented by a specially-designed headphone protection circuit and a pop noise elimination system, ensuring the audio circuit is both high quality in sound produced and reliable.

Specially Designed Power Supply

The K11 R2R uses up to 17 low-noise precision LDO precision regulator IC and 2 DC-DC converters. This provides a multi-channel specialized power supply of 9V, 8V, ±7.5V, ±6V, 5.4V, 3.3V, 1.8V, and 1.2V. These are combined with an external custom 12V switching power supply to ensure the purity of the power supplied and provide a solid foundation for stronger power input.

True 24bit Decoding

Support for PCM 384kHz/24bit and DSD256 decoding, means the K11 R2R can easily handle high-precision audio signals and fully exhibit the details within, providing you with an excellent audio experience. * DSD256 requires setting the DSD output mode to Native on the source device, internally converting to PCM before being decoded by the R2R resistor arrays.

Gain Levels and Volume Curves

The K11 R2R has three separate gain levels, each with its own volume curve. This allows a better listening experience with various types of headphones, whether you are using sensitive earphones or hard-to-drive over-ear headphones.

One Source of Control

In the K11 R2R's minimalist design, the volume knob acts as a crucial source of total control. The K11 R2R's multifunction volume knob is used to power the device on and off, accessing menu operations, making volume adjustment, and other functions.

The knob is designed so that you can quickly execute various complex actions by simply pressing and turning the knob. You can also quickly switch between LO/PO modes by double-pressing the knob, making it easier for you to appropriately connect to different headphones or audio setups.

Fully Differential True 24bit R2R DAC Resistor Arrays

FiiO's newly self-developed four-channel fully differential 24bit R2R DAC consists of two 48 precision thin-film resistor arrays per channel, totaling 192 resistors with 0.1% tolerance and low temperature drift (30ppm). This configuration delivers a unique and charming sound.

Additional Features

Dual NOS/OS Modes
Non-Oversampling Mode: Maintains the original sampling rate for decoding, preserving authentic sound. Oversampling Mode: Upsamples globally to a high sampling rate of 384kHz, for superior audio performance and even more refined sound.

High-Quality Electronic Volume Control
The NJW1195A is a 4-channel electronic volume controller. This resistor ladder electronic potentiometer is low distortion and low noise, allowing precise volume adjustment.

Beryl Solid Capacitors
The capacitors' ultra-low ESR, combined with excellent anti-interference capabilities, allow them to provide a stable and clean power supply and this achieve high-quality sound.

Powerful Output
Under a 32Ω load, the K11 R2R is capable of pushing 1300mW+1300mW under balanced modes. This allows it to easily drive many Hi-Fi headphones and fully unlock their potential.

Screen Full of Clarity
A custom, high-contrast and durable LCD screen allows you to easily see the sampling rate, volume, gain, or output mode with just a glance.

Phosphor Copper Metal Shielding
The shielding cover undergoes a passivation process, providing corrosion resistance and anti-oxidation capabilities. It effectively resists external interference, ensuring signals processed are accurate.

Specifications

• DAC: FIIO-developed R2R DAC
• SoC: GD32F303RE
• Supported Formats: 384kHz-32bit/DSD256 (USB DAC)
• Frequency Response: 20Hz-50kHz
• SNR: ≥ 115 dB
• Noise Floor: <5.1uV
• THD+N: 0.025% (1kHz/0dB@10KΩ)
• Adaptive Impedance: PO 8-150Ω, BAL 8-350Ω
• Power Supply: DC12V 2A
• SE Output
  • L+R≥660mW +660mW (16Ω, THD+N <1%)
  • L+R≥460mW +460mW (32Ω, THD+N <1%
  • L+R≥50mW+50mW (300Ω，THD+N＜1%）
•  BAL Output
  • L+R≥520mW+ 520mW (16Ω, THD+N <1%)
    
  • L+R≥1300mW+1300mW (32Ω, THD+N <1%)
    
  • L+R≥220mW+220mW (300Ω, THD+N＜1%）
• Weight: 15oz
• Dimensions: 5.7" x 5.2" x 1.2"

In the Box

• K11 R2R
• Power adapter
• Power cable
• USB data cable
• Headphone adapter
• Warranty card
• Quick start guide

Elevate Your Desktop Audio Listening with the FiiO K11, Delivering Powerful Output, Versatile Connectivity, and Modern Design

• Equipped with high-resolution CS43198 DAC
• Delivers up to 1400mW to drive high-impedance headphones
• Supports 384kHz/32-Bit PCM, DSD256
• Adjustable gain with tailored volume curves for various listening needs
• Slim build with custom LCD screen and adjustable RGB lighting
  
• Check our our FiiO 2025 Buyer's Guide here!

1400mW Power Output

Under a 32-ohm load, the K11 is capable of pushing 1400mW under balance modes. This allows it to easily drive many Hi-Fi earphones and headphones to fully unlock their potential.

Gain Levels and Volume Curves

The K11 has three separate gain levels, each with its own volume curve. This allows a better listening experience with various types of headphones, whether you are using sensitive earphones or hard-to-drive over-ear headphones.

Audio Circuit and Power Supply

Within the K11's slim build lies a specially designed audio circuit for great sound quality. This is backed by more than 16 low-noise LDOs for precise voltage stabilization and powered by an external 12V switching power supply. All of this leads to a purer and more robust supply of power, leading to stable high-quality audio and truly enjoyable music, all of the time.

Slim and Stable

The slim aluminum alloy body allows you to easily place the K11 anywhere, making it easier to complement the rest of your desk. Thanks to the silicone antislip pad, the K11 rests stably and firmly on your table.

One Source of Control

In the K11's minimalist design, the volume knob acts as a crucial source of total control. The K11's multifunction volume knob is used to power the device on and off, accessing menu operations, making volume adjustment, and other functions.

The knob is designed so that you can quickly execute various complex actions by simply pressing and turning the knob. You can also quickly switch between LO/PO modes by double-pressing the knob, making it easier for you to appropriately connect to different headphones or audio setups.

Driver-Free Mode

The K11 in USB DAC mode does not require a driver on Widows 10 and above. It can also be used with video game consoles such as PS5 and the Switch. Simply plug and play for worry-free usage, whether you are enjoying music or being immersed in games.

RGB Logo Lighting

The FiiO logo on the K11 is illuminated with RGB lighting, giving you a quick way to identify the sampling rate of the current audio being played back. Six LED strips work in conjunction with a carefully placed reflective film to make the light show elegant.

Specifications

• DAC: Cirrus Logic CS43198
• Supported Formats: 384kHz/32bit PCM, DSD256
• USB Connector: Type-C
• Frequency Response: 20Hz-50kHz
• SNR: ≥ 123 dB
• Noise Floor: PO <2.uV; BAL <4.9uV
• THD+N: LO <0.00035%
  
• Power Supply: DC12V 2A external adapter
• SE Output
  • L+R≥520mW +520mW (32Ω, THD+N <1%) (320Ω/single-ended/high gain)
  • L+R≥60mW +60mW (300Ω, THD+N <1%) (300Ω/single-ended/high gain)
• BAL Output
  • L+R≥1400mW+ 1400mW (32Ω, THD+N <1%) (32Ω/balanced/high gain)
  • L+R≥250mW+250mW (300Ω, THD+N <1%) (300Ω/ balanced/high gain)
• Dimensions: 5.7" x 5.2" x 1.2"
• Weight: 14oz

In the Box

• K11 DAC and Amp
• Power adapter (including AC cable)
• USB-A to C cable
• 6.35mm adapter
• Warranty card
• Quickstart guide

FiiO JT7 is a Culmination of Proprietary Tech and Deep Expertise in Planar Craftsmanship, Integrated into a Lightweight, Foldable Design

• Features a 95x86mm proprietary planar driver
• Two-way heterogeneous high-density magnets
• 3µm Ultra-thin diaphragm with remarkably quick response
• Lightweight, foldable design

95x86mm Planar Driver

FiiO has poured much effort into developing the JT7's driver from the ground up, controlling every aspect from diaphragm R&D to the voice coil and magnetic circuit. Being totally developed in-house means guaranteed consistent, excellent sound quality. The generously sized planar driver allows you to indulge in an expansive soundstage and powerful, energetic bass. 

Ultra-Thin Diaphragm

For a planar driver to deliver its signature quick vibration and sensitive response, it must be exceptionally thin. The JT7's diaphragm measures just 3µm, enabling it to precisely capture minute changes in the electrical signal. The result is excellent transient response performance and brilliantly clear treble that will surely excite your ears. 

F.E.S. (FiiO Elastic System)

The JT7 features the proprietary F.E.S. design on the driver diaphragm, which incorporates multi-dimensional textures on that surface. These textures, similar to the surround ring on a dynamic driver, increase the diaphragm's elasticity. This allows for precise control over internal stress, allowing the driver to move more freely without added distortion. The result is effortless bass with a greater presence. 

Strong Magnetic Field

The JT7's 92dB/mW sensitivity is thanks to the powerful magnetic field generated by high-performance two-way neodymium iron boron magnets. These magnets deliver robust and ample driving force to the planar driver, enabling a louder and fuller sound even from weaker audio sources. 

Precision Wiring, Seamless Design

The headphones are manufactures with the same premium process as the FT1 Pro and FT7. The manufacturing process is derived from the high-precision plating used in the semiconductor industry, which enables the voice coil and diaphragm to be seamlessly integrated as one piece. This not only yields extremely fine coil wiring but also significantly boosts the coil's structural integrity. 

User-Centered Innovation

Tipping the scales at just 11oz, the JT7 is thoroughly unlike typical planar headphones that are much heavier. The user-friendly foldable design allows you to easily swivel and make the headphones more compact for easier storage and carry. 

The multi-axis ergonomic headband allows the ear pads and joints to be flexible, ensuring optimal fit that precisely contours to your ears and head. The precise fit guarantees accurate sound delivery while maximizing comfort. 

The parts of the ear pads in contact with the skin are made of comfortable, highly breathable mesh material that reduces heat and stuffiness during extended listening. Both the ear pads and headband cushion are detachable, allowing for easy cleaning and replacement. 

Specifications

• Driver: 95x86mm Planar Magnetic driver
• Frequency Response: 7Hz-40kHz
• Impedance: 18ohms @1kHz
• Sensitivity:
  • 92dB/mW@1kHz
  • 109dB/Vrms@1kHz
• Cable Material: High-purity Copper
• Cable Length: 1.5m
• Headphone Connector: Dual 3.5mm TRS
• Audio Plug: 3.5mm/4.4mm
• Weight: 11oz

In the Box

• FiiO JT7 headphones
• 3.5mm cable
• 4.4mm cable
• 6.3mm male to 3.5mm female adapter
• Storage pouch
• Quickstart guide 

Though Small in Size, the FiiO JIEZI Embodies Rich Acoustic Technology, Allowing Users to Fully Immerse Themselves in a Vast Musical World

• Portable DAC and headphone amplifier
• 10-Band high-precision PEQ
• PCM 384kHz DSD256 decoding
• Lightweight and seamless design
• JIEZI A: 3.5mm jack, JIEZI B: 4.4mm jack

Pro DSP + 10-Band PEQ

The JIEZI features a professional DSP chip, bringing high-precision PEQ tuning technology to entry-level products. Through the FIIO Control App or web interface can freely adjust frequency curves. You can save these custom sound tunings and easily share them via the cloud, perfectly matching different preferences. 

Triple Integrated Technologies

In its tiny body, the JIEZI integrates a high-performance USB chip, high sampling rate DAC and ADC, and a high-precision DSP. It supports PCM 32bit/384kHz and DSD256 decoding, offering impressive performance at an affordable price. 

Dual Versions

The JIEZI A, with its 3.5mm jack that supports in-line controls, especially for Huawei phones, can do calls, karaoke, recording, and in-game voice chat— making it a popular and versatile all-in-one solution. The JIEZI B, with its 4.4mm jack, uses the same single-ended common-mode architecture, whose power output rivals that of comparable balanced-drive devices.

Thoughtful Design

The laser-engraved patterns create a layered 3D contrasting effect, bringing such a design concept to life while ensuring the texture is clear yet durable. The adapter-cable-like design is convenient to use; its aluminum-magnesium alloy construction provides long-lasting durability; the housing is made of high-purity palladium-plated oxygen-free copper, resulting in stable transmission; the flexible silicone and braided double outer jacket cable sheath make it flexible yet robust.

FiiO Control 

The JIEZI supports connecting via the FIIO Control app on Android phones and a web interface on computers, where you can switch between customizable PEQ presets, UAC version switching, fine-grain volume control, and more. It is compatible with multiple systems, such as Android, iOS, HarmonyOS, Windows, macOS, and Linux. The support of UAC2.0 and 1.0 allows it to perfectly work with different devices. 

Specifications

• Input: USB-C
• Output
  • JIEZI A: 3.5mm
  • JIEZI B: 4.4mm
• SNR: 104dBr
• THD+N: 0.0034%
• THD+N: 5.3uV
• Noise Floor: <0.5 ohms
• Decoding Support: Up to PCM 32bit/384kHz, DSD256
• Dimensions
  • JIEZI A: 8.5mm x 90mm
  • JIEZI B: 9mm x 100mm
• Weight: 6g

In the Box

• FiiO JIEZI DAC/amp
• Quickstart guide
• Warranty card

The FT7 Features FiiO's Self-Developed Planar Driver Technology, a Lightweight Carbon Fiber Body, and a Uniquely Engineered Copper Cable

• Large 106mm planar driver for perfect acoustic fulfillment
• 1um Ultra-thin special diaphragm
• Gold + silver multi-layer voice coils
• Dual-sided push-pull magnetic circuit system
  
• Liquid nitrogen frozen mono crystalline copper cable

Ultra-Thin Diaphragm

After two years of independent research and development, FiiO has created a leading-class 1um ultra-thin diaphragm. The difference between even a 2um and 1um diaphragm thickness results in noticeable performance differences. Exceptionally lightweight, the FT7's diaphragm responds with lightning-quick speed. It faithfully reproduces subtle sounds in the ultra-high frequency range and provides exceptional dynamic range.

Powerful Magnetic Architecture

Thanks to FiiO’s patented uniform magnetic field design, the FT7’s magnetic field is significantly expanded, enhancing the sensitivity of its large 106mm planar driver while also reducing overall driver weight for improved wearing comfort.

At the core of the FT7 is a dual-sided push-pull magnetic circuit system, utilizing a total of 18 high-performance N52 neodymium magnets (9 per side) with a powerful magnetic flux of up to 1.5T. This robust magnetic structure delivers ample energy reserves for lightning-fast transient response and deeply textured, controlled bass.

Proprietary Driver Technology

The FT7 employs FiiO's self-developed planar driver technology, a patented multi-layer coating system. The driver uses high-performance PET as the diaphragm substrate and selectively applies 24K gold and pure silver to create a multi-layer coated driver. Leveraging the advantages of both precious materials allows the FT7 to have highly detailed, charmingly rich sound.

Liquid Nitrogen Frozen High-Purity Cable

Crafted expressly for the FT7, this bespoke cable pairs over-6N OCC mono-crystalline copper with a week-long cryogenic nitrogen treatment that relieves internal stress, tightens crystal boundaries, and boosts conductivity for ultra-clean signal flow. A low-dielectric PFA insulator (ε = 2.1) preserves the copper’s resolution while subtly enriching mids and lows, adding just the right touch of warmth for an effortlessly engaging listen.

Comfort and Quality

The FiiO FT7 has a premium and exquisite build quality that gives the headphones a lovely visual appeal. It features a lightweight and robust carbon-fiber headband with a natural zebra wood grille. The FT7 includes two unique sets of ear pads for customized comfort: lambskin and suede ear pads. The headphone weighs 15oz, bringing you great sound with excellent comfort.

Specifications

• Driver: 106mm Proprietary planar driver
• Frequency Response: 5Hz-40kHz
• Impedance: 25Ω±15%
• Sensitivity: 94dB/mW@1kHz~110dB/Vrms
• Cable Length: 3m
• Connector: Dual 3.5mm TS
• Plug: 4.4mm BAL
• Weight: 15oz

In the Box

• FiiO FT7
• Quickstart guide
• Headphone cable
• XLR-4 male to 4.4mm female balanced adapter
• 4.4mm to 6.35mm adapter
• Lambskin ear pads
• Breathable fabric ear pads
• Linen storage case

The FiiO FT13 Features Stunning Purpleheart Wood from South America and a Huge 60mm Dynamic Driver for a Remarkable Visual and Audio Experience

• Natural purpleheart wood sourced from South American rainforest
• Large 60mm dynamic driver
• Wool composite nano-fiber wood diaphragm
• Low impedance, high-sensitivity making it easy to drive
• Lambskin/suede earpads included

Gracefully Charming Purple

Building on the success of the FT1, FiiO sought new types of woods to share their unique charm. Their search led them to Purpleheart, a rare “purple treasure” from South America prized for its hardness and striking hue, which matures from light brown to deep purplish-red. Used in fine instruments and furniture since the 1920s, Purpleheart combines nature’s gift with FIlO’s craftsmanship. 

After arriving in Lianyungang, it’s kiln-stabilized, aged for months to develop its wine-like color, then precisely carved, polished, and lacquered. This rare wood, long a symbol of mystery, power, and individuality, blending natural beauty with timeless evolution.

Closed-Back Design

Beyond the natural isolation of its closed wooden earcups, the FT13 features an integrated system of passive noise-reduction components. This includes a standing wave dissipation chamber, specially designed rear cavity sound-absorbing cotton, and a noise-reducing U-shaped tube.

Together, these components can reduce everyday ambient noise by up to 26dB. This closed design also prevents sound from leaking out, making the headphones perfect for quiet environments like offices, libraries, or dorms without disturbing others.

60mm Dynamic Driver

The FT13, like the FT1, features a massive 60mm dynamic driver, a size almost unheard of in its category. This larger driver generates more power and is more efficient at converting electrical signals into sound. The result is sound with less distortion, quicker transients, and deeper, more powerful bass. 

Wool Composite Nano-Fiber Wood Diaphragm

Crafted from birch wood sourced from Europe’s cold climates, the new diaphragm gains exceptional hardness and fiber strength, enabling precise tuning of resistance and stiffness for optimal sound. Using a century-old paper-making process, the wood pulp is blended with carbon fiber threads for added rigidity and treble detail, then baked to just 0.1 mm.

Wool fibers add natural flexibility, creating a warm, rich, and engaging sound. Inspired by speaker cones, the proprietary W-shaped design expands the vibration area by 25.8%, with a rigid dome and flexible surround for higher efficiency, reduced energy loss, and lower distortion.

Large CCAW Voice Coil

The FT13 features a Japanese-imported CCAW voice coil with an ultra-thin 0.035mm wire and a lightweight KSV former. These components dramatically reduce the moving mass of the diaphragm, resulting in faster sound response and reduced unnecessary reverberations. The voice coil has a diameter of 25mm. In a fixed magnetic field and with a constant current, a larger coil diameter means a longer voice coil wire. Thus, a longer copper wire results in greater driving force and higher efficiency, leading to a richer midrange and quicker transients.

Additional Features

U-Shaped Damping Tube
A U-Shaped damping tube cleverly uses the air inside the headphones to tune the sound. The design has been optimized to lower the cavity's resonant frequency, resulting in deeper, higher-quality bass. 

Easy-to-Drive
The FT13's impedance, sensitivity, and frequency response make it an ideal choice for listeners dipping their toes into the world of personal audio. 

Furukawa Monocrystalline Copper + Silver-plated Copper Cable
The cable included with the FT13 is crafted with an 8-strand braided design, housing 1,000 wire conductors. This combination of premium metals is what allows the cable to deliver truly excellent sound. 

Detachable Plug
The FT13 includes four detachable audio plugs, allowing one cable to work with various kinds of audio sources. 

3-Axis Swivel
After extensive ergonomic testing, FiiO has implemented a three-axil adaptive swivel to comfortably adapt to various head sizes. 

Specifications

• Frequency Response: 7Hz-40kHz
• Driver: 60mm Dynamic
• Sensitivity: 99dB/mW@1kHz 113dB/Vrms@1kHz
• Cable Material: Secondary refined Furuwaka mono crystalline copper + silver-plated oxygen-free copper
• Cable Length: 1.5m
• Headphone Connector: Dual 3.5mm (TS)
• Audio Plug: 3.5mm/4.4mm

In the Box

• FiiO FT13 headphones
• Lambskin earpads (pre-installed)
• Suede earpads
• 4.4mm BAL detachable plug
• 4.4mm F to XLR-4 M adapter
• 3.5mm SE detachable plug
• Quickstart guide
• Cable
• Hard case

Experience Crystal-Clear Highs, Immersive Soundstage, and Luxurious Comfort with the Innovative Planar Design of the FiiO FT1 Pro

• Equipped with FiiO developed 95x86mm planar driver
• Open-back design offers natural sound and a large soundstage
• Patented Sapphire-Aluminum coating improves audio resolution
• Plush ear-pads and adjustable headband for long-lasting comfort
• Includes Silver-Plated Copper cables in 3.5mm + 4.4mm terminations
• Check out our FiiO 2025 Buyer's Guide here!

FT1 Pro

The FiiO FT1 Pro is an open-back planar magnetic headphone designed for audiophiles seeking high-fidelity sound. It features a custom-developed 95x86mm planar driver with a 1μm thin diaphragm, utilizing Sapphire and Aluminum dual-coating technology for enhanced treble resolution and overall transparency.

The patented uniform magnetic field design and 28nm-grade process technology contribute to its superior audio performance. With a 20Ω impedance and high-sensitivity design, the FT1 Pro is easily driven by various audio sources.

Top Class Planar Driver

After two years of independent research and development, FiiO created for the FT1 Pro a class-leading 1um ultra-thin diaphragm, using high-performance PET as the substrate. The difference between even a 2um and a 1um diaphragm thickness results in noticeable performance differences when the diaphragm is vibrating at high speeds, which ultimately affects sound quality.

The FT1 Pro's 1um ultra-thin diaphragm is exceptionally lightweight, allowing it to respond with lightning-quick speed. It faithfully reproduces even subtle sounds in the ultra-high frequency range, as well as providing exceptional dynamic range.

Sapphire and Aluminum Dual Coating

The FiiO FT1 Pro features a patented dual-coating planar driver technology, combining aluminum for enhanced conductivity and dynamics with sapphire for rigidity and treble resolution. Using a high-performance PET diaphragm substrate, this design improves frequency response, audio resolution, and transparency, delivering the nuanced, dynamic sound unique to planar drivers.

Acoustic Technology

The FT1 Pro introduces FiiO’s patented uniform magnetic field design, a breakthrough in acoustic technology that optimizes uneven magnetic field intensity caused by adjacent magnets while expanding the magnetic field range. This innovation creates a more extensive, precise, and balanced magnetic field, ensuring the planar driver diaphragm is evenly stressed.

As a result, the diaphragm moves with greater consistency, reducing distortion and breakup. The outcome is a refined, highly detailed sound that captures the subtlest nuances in music—hallmarks of premium planar drivers.

Additional Features

Easy to Drive Design
The low 20ohm impedance combined with the high sensitivity of 112dB/Vrms@1kHz means you can easily get great sound from the FT1 Pro.

7Hz-40kHz Frequency Response
The FT1 Pro is capable of a wide frequency response range from 7Hz-40kHz, allowing you to truly experience even the subtlest of nuanced sounds the planar driver is capable of producing.

Lightweight and Luxurious Design
The headband is crafted with high-quality steel sides, ensuring exceptional durability while maintaining a lightweight and portable design. Additionally, the 3-axis adaptive headband allows for rotation at multiple angles.

Silver-Plated Copper Cables
The FiiO FT1 Pro includes two 1.5m cables—3.5mm single-ended and 4.4mm balanced—crafted from 392-strand oxygen-free copper-plated silver for transparent, robust sound and broad device compatibility.

Specifications

• Driver: Planar Magnetic
• Impedance: 20Ω
• Sensitivity: 112dB/Vrms (@1kHz) / 95dB/mW (@1kHz)
• Frequency Response: 7Hz-40kHz
• Weight: 374g (without cable)
• Cable Material: Silver-Plated Oxygen-free Copper
• Cable Length: 150cm

In the Box

• FiiO FT1 Pro Headphones
• 4.4mm Balanced cable
• 3.5mm Single-ended cable
• 3.5mm to 6.3mm adapter
• Storage Case
• Quick Start Guide
  

Immerse Yourself in Deep Bass, Dynamic Soundscapes, and Rich Vocals, All Encased in a Stunning Natural Wood Grain Shell with the FiiO FT1

• Crafted with a large 60mm Dynamic driver
• Nanowood Fiber Composite Diaphragm
• Closed-back headphone with "W" shaped suspension gasket
• North American, natural, solid wood Walnut shell
• Oxygen-Free Silver-Plated Copper cables in 3.5mm + 4.4mm terminations
• Check out our FiiO 2025 Buyer's Guide here!

Large Dynamic Driver

The FiiO FT1 features a newly developed second-generation 60mm large dynamic driver, meticulously designed for FiiO's first closed-back headphone. Its larger-than-average driver size enhances energy conversion efficiency and provides a solid foundation for potent bass. Additionally, the increased driver size results in low low-frequency resonance points, allowing for deeper bass, dynamic sound, and an overall authoritative sound.

Nanowood Fiber Composite Diaphragm

The FiiO's diaphragm primarily consists of carefully selected wood fibers, based on 90-year-old spruce wood from Northern Europe. This wood is a top-grade raw material for musical instruments and fiber products, known for its clear sound and natural tone. Spruce wood undergoes a series of processes, including soaking, cooking, and beating, to create specific wood pulp. To meet acoustic toughness requirements, a precise proportion of carbon fiber material is added.

To fully unleash the acoustic performance of the nanowood fibers, light PU material with high internal resistance is utilized for the suspension gasket, improving diaphragm compliance. This process strengthens the density of the vocals from the source of the sound, resulting in warm, lush vocals.

Art of Sound

The FiiO FT1, in alignment with its overall acoustic design and high-level listening experience, employs a nanowood fiber composite diaphragm. It exhibits excellent high-frequency extension and transient response, resulting in clean, precise sound with clear imaging tone, and providing unique, sweet, high-density mid-frequency vocals. This driver works in harmony with the FT1's other acoustic design elements for a specifically-tuned frequency response for a pure and pleasant sonic experience.

Innovative W-Shaped Suspension Gasket

As the first closed-back over-ear headphones from FiiO, FT1 pioneers a new generation of in-house acoustic technology, the W-shaped suspension gasket. The 25mm diameter voice coil is larger compared to similar models and has been specifically tuned. Compared to typical similarly sized diaphragms, the W-shaped diaphragm achieves a 25.8% increase in effective vibrating area, allowing it to store more energy reserves.

The FT1's diaphragm, with a hard dome and compliant suspension gasket, allows the 25mm large diameter voice coil to directly drive the stiffer dome region. This setup minimizes vibration losses between different materials and reduces distortion caused by driver breakup, allowing the FT1 to deliver refined sound.

Japanese CCAW Voice Coil

To ensure robust and high-quality sound, the FiiO FT1 utilizes a specially imported Japanese ultra-fine CCAW (Copper-Clad Aluminum Wire) voice coil with a diameter of up to 25mm. A longer voice coil copper wire can directly enhance transducer efficiency and drive capacity, improving transient response and resulting in purer sound.

Each individual wire core in the CCAW coil has a diameter of approximately 0.035mm, as thin as a hair. Additionally, the voice coil frame employs lightweight Caption, which helps to significantly reduce the overall diaphragm mass. The result is enhanced response speed and minimized reverberation.

Additional Features

Up to -26dB of Sound Isolation
The FT1 incorporates a series of sound insulation components to effectively reduce ambient noise, including external voices and environmental sounds by up to -26 dB. Whether you are commuting, editing recordings, working in an office or gaming, the FT1 allows you to immerse yourself in a high-fidelity audio work.

U-Shaped Sound Damping Tube
The U-shaped sound damping tube enhances passive noise attenuation, but also allows sound energy to pass through a specific length and angle of the flute, increasing air viscosity and reducing cavity resonance frequency. This further enhances bass extension. You'll distinctly feel the air movement and the focused power of drums and strings.

Conical Baffle Plate
FiiO's development team designed a conical baffle plate based on the characteristics of the FT1 dynamic drivers. This device allows the entire driver to be positioned parallel to the human ear, breaking up sound convergence and avoiding standing waves. As a result, there is minimal high-frequency attenuation for true HiFi audio quality.

High-Sensitivity Design
The FT1 features a low impedance design of 32Ω and boast acoustic sensitivity metrics of 113dB/Vrms@1kHz. This significantly reduces the demand for driving power, allowing you to effortlessly enjoy excellent sound quality.

Ergonomic, Lightweight Headband
The 3-axis headband allows for free rotation at multiple angles. This design accommodates various head sizes and ensures a snug fit for enhanced comfort.

High-Quality Silver-Plated Copper Cables
The FT1 comes with two headphone cables terminated in 3.5mm single-ended and 4.4mm balanced plugs. Both cables are made using a silver-plated oxygen-free copper base, with 392 wires and 24AWG thickness.

Specifications

• Type: Closed-Back Dynamic
• Frequency Response: 10Hz-40kHz
• Driver: 60mm Dynamic
• Impedance: 32Ω
• Sensitivity: 113dB/Vrms@1kHz (98dB/mW@1kHz)
• Cable Material: Silver-plated Oxygen-free Copper
• Ear Pad Pressure: 4.5N ± 0.3N
• Weight: 12oz
• Connector: Dual 3.5mmTRS
• Plug: 3.5mm, 4.4mm
• Ear Cup Material: Black Walnut

In the Box

• FT1 Headphones
• Storage bag
• 3.5mm cable
• 4.4mm cable
• 3.5mm to 6.35mm adapter
• Quick Start Guide

Experience Premium Analog Sound and Modern Design with the FiiO CP13, Bringing Classic Listening to New Heights

• Oversized copper flywheel ensures stable and accurate tape playback
• Balanced amplification circuit delivers superior sound quality
• Aluminum alloy chassis combines durability with a modern aesthetic
• Offers up to 13 hours of continuous playback
• Check out our FiiO 2025 Buyer's Guide here!

Timeless Listening with a Modern Twist

During the 1980's and 1990's, cassette players were popular among multiple generations. Today, however, the supply chain for cassette players is nearly non-existent, making the initial stages of the CP13 project difficult, nearly leading to its cancellation.

After investing much time, effort, and deep cooperation with the supply chain, FiiO was able to continue on with the CP13 project, leading to its current release. Their goal is to give users the ability to relive those days of familiar, pure analog sound.

High-Quality Materials

FiiO optimized the CP13 for superior playback by sourcing high-quality cassette components and focusing on simplified design. By removing features like recording and autoreverse, they enhanced audio fidelity and stability. The key to this is an oversized pure copper flywheel, measuring 1.2 inches in diameter and 0.16 inches thick, ensuring consistent playback with minimal wow and flutter.

High Voltage Motor Power Supply

The CP13's motor is powered by a high voltage 4.2V power supply, more than the 1.8V or 3V typically found in today's cassette players. This power supply works in tandem with a motor speed stabilization circuit, which increases the drag on the motor as necessary to ensure stable movement speeds - which mitigates unwanted pitch changes and also allows the CP13 to be able to handle more cassette tape types.

Balanced Amplification

FiiO equips the CP13 with a custom-balanced amplification head to ensure consistent left/right channel performance. A thickened magnetic head cover reduces wear and shields against interference, enhancing durability and audio clarity. Additionally, a differential circuit boosts signal stability, achieving a higher signal-to-noise ratio and minimizing distortion for superior sound quality.

Audiophile Op-Amp

The CP13 employs the renowned JRC5532, known to some as the classic "King of op-amps." This op-amp is deployed in a fully analog audio circuit that provides a familiar, pleasant sound that will surely leave an impression.

Design

Though ultimately restricted by the size of the cassette player's movement, FIlO engineers paid much attention to making the CP13 as compact as possible. Through the integration of manufacturing and structural design ingenuity, the CP13 ended up only being 31.8mm thick, making it thinner and more compact than most currently produced cassette players.

The CP13 features a carefully crafted dual-color all-aluminum chassis. The clearly visible "0" screws that act as a perfect complement to the square yet round design mean the CP13 is an example of beauty coexisting in harmony with ergonomics.

The buttons of the CP13 undergo hard oxidation, making them more wear and corrosion- resistant. Behind the aluminum alloy volume knob is a large analog volume potentiometer, which compared to the flat potentiometers used in cassette players is not only more reliable and provides more stable sound, but also simply feels better when used.

Specifications

• Supported Cassette Tapes: All types I to IV
• Output: 2-Track stereo playback
• Output Level: Greater than 250mV
• SNR: > 55dB
• Weight: 11oz
• Dimensions: 4.7" x 3.4" x 1.2"
• Battery: 1800mAh lithium cobalt oxide
• Battery Life: > 13 hours @40mV
• Standby Time: > 268 days

In the Box

• CP13 Cassette Player
• USB cable
• Window protective film
• Warranty card
• Manual

The FiiO BTR17 Delivers High-Resolution Audio with Dual DACs and THX AAA Amplification in a Portable Design for Powerful Wireless Performance

• A portable Bluetooth DAC and headphone amplifier
• Dual ES9069Q DACs achieve high performance using less power
• Equipped with new flagship QCC5181 Bluetooth 5.4 chip
• Experience powerful output with Desktop Mode
• Features aluminum alloy body with a raw leather back cover
• Check out our FiiO 2025 Buyer's Guide here!

Master of All Trades

The BTR17 showcases FiiO’s expertise in DACs and headphone amps, packing flagship features like a multi-stage audio architecture and precision power supply into a compact design. A versatile powerhouse, it sets a new standard for Bluetooth headphone amps.

A New Era of Bluetooth

The BTR17 features Qualcomm’s flagship QCC5182 chip, supporting Bluetooth LE Audio with a 2.1Mbps bandwidth for CD-level lossless sound via aptX Adaptive. With Bluetooth 5.4 and support for LDAC, aptX Adaptive 96kHz/24bit, and Snapdragon Sound, it delivers an unmatched Bluetooth listening experience.

Patented Desktop Mode

The BTR17 features a dedicated desktop mode switch (D.Mode) and an external power port. In this mode, it can act as a dongle DAC/amp while being powered via USB, protecting its battery and preserving your phone’s charge. With external power, its THX amp utilizes four op-amps in parallel, delivering up to 650mW + 650mW balanced output—203% more power than the BTR7, rivaling desktop amplifiers.

XMOS 16-Core XU316

The flagship XMOS XU316 USB chip offers lower latency, stable transmission, and improved compatibility compared to standard USB controllers. Supporting 768kHz/32bit audio, DSD512 native, and MQA full decoding, it handles virtually any audio stream with ease. Its powerful processing also enables high-definition PEQ for audio up to 192kHz on the BTR17.

Sound Tuning

FiiO’s refined integration of hardware and software delivers user-friendly apps and precise PEQ adjustments. You can fine-tune EQ points, gain, bandwidth, and Q values to customize or correct headphone frequency responses. EQ curves can also be imported, exported, shared, and saved, offering endless possibilities for sound tuning.

Dual Flagship ES9069Q DACs

The BTR17 houses dual ESS ES9069Q DACs with 4th-gen 32-bit HyperStream architecture, combining high performance with low power consumption. This design minimizes digital noise, achieving a 130dB dynamic range and -120dB THD, resulting in a clean audio background and richly musical sound.

Multi-Stage Design

The BTR17 features a three-stage precision power supply with overvoltage protection, DC-DC boost conversion, and high-precision LDO voltage stabilization. Independent power rails for digital, DAC, and analog amplification ensure stable energy delivery for superior sound quality. Packed with mid-to-high-end HiFi player-level signal processing, it uses dual-clock DACs and multi-stage analog audio processing to deliver precise detail and dynamic range, rivaling premium digital audio players.

Additional Features

One Switch
The BTR17 features a convenient PC/BT/PHONE three-position switch which allows it to seamlessly switch between operating modes.

THX AAA 78+ Amp
The BTR17 uses the THX AAA 78+ headphone amp, as in the FiiO KA17 and M23. The 4-channel fully balanced design utilizing 8 op-amps in parallel ensures robust yet controlled power, for clearer and more natural sound.

Comprehensively Protected
Built-in temperature and DC output detection prevents damage to the device and headphones if abnormal conditions are detected.

Press-sable Volume Knob
The exquisite craftsmanship of the press-able knob is evident when pressed or rotated, offering excellent tactile feel and control.

Specially Processed 8-Strand Decoding Cable
Six strands of mono crystalline handles the current transmission, providing abundant power and purer sound. Two strands of mono crystalline silver-plated handles digital transmission, ensuring accurate data transmission with high fidelity.

Specifications

• USB Chip: XMOS XU316
• USB DAC: 768kHz-32bit, DSD512 native, MQA full decoding
• BT: QCC5181, 5.4
• BT Formats: AAC, SBC, aptX, aptX Adaptive, aptX Lossless, aptX HD, LDAC
• DAC: (2x) ES9069Q
• Display: 1.3" 240x240 color IPS
• Battery Life: Approx. 8hrs
• Charging Time: Approx. 2hrs
• SNR: ≥126dB (UAC decoding, desktop mode, A-weighted)
• THD+N: <0.00035% (UAC decoding, desktop mode, balanced output)
• Weight: 2.6 oz
• Dimensions: 0.64" x 1.62" x 3.41"
• Headphone Outputs: SE 3.5mm + BAL 4.4mm
• Output Power
  • L+R≥280mW+280mW (322/THD+N < 1%/SE/desktop mode)
  • L+R≥31mW+31mW (3000/THD+N < 1%/SE/desktop mode)
  • L+R≥650mW+650mW (320/THD+N < 1%/BAL/desktop mode)
  • L+R≥125mW+125mW (3002/THD+N < 1%/BAL/desktop mode)
  • L+R≥300mW+300mW (320, THD+N < 1%/BAL/non desktop mode)
  • L+R≥140mW+140mW (320, THD+N < 1%/SE/non desktop mode)

In the Box

• FiiO BTR17
• Leatherette case
• Custom dual USB-C OTG cable
• Quick Start Guide
• Warranty card
• PET protective film (pre-installed)

Seamlessly Experience High-Resolution Wireless Audio With Your Favorite Devices Using the FiiO BT11

• Portable high-resolution Bluetooth transmitter featuring Bluetooth 5.4, LDAC, aptX Lossless, and ultra-low latency
• Features Qualcomm QCC5181 chip
• Allows LDAC and AptX output via Bluetooth on iPhone
• Capable of connecting up to two receiving devices at a time
• Ideal for audiophiles and gamers for an effortless wireless experience

BT11

The FiiO B11 is a portable Bluetooth transmitter that includes a Qualcomm QCC5181 chipset, RGB indicators, and dual-device pairing for versatility. In contrast to the CSR8675 chip found in the FiiO BTA30 Pro, the LDAC transmission supported by the BT11 boasts higher computational power. Additionally, the chip utilizes the next-generation LE Audio technology and supports aptX Lossless. These features come together to deliver exceptional wireless sound quality.

Compact Size, Ample Power

While the BT11 is about the size of a button, it is equipped with Qualcomm's flagship Bluetooth chip, the QCC5181. It features a quad-core processor architecture and two 240MHz Qualcomm Kalimba audio DSPs. This design provides powerful computational capabilities for advanced audio algorithms. It also supports Snapdragon Sound, which delivers an immersive lossless experience.

Plug and Play

The BT11 brings next-level convenience, unlocking LDAC, aptX Adaptive (96kHz/24bit) and aptX Lossless support for devices like the iPhone 15, PS5, Nintendo Switch and computers. LE Audio enhances the BT11 by reducing latency across the entire audio chain to as low as 50ms, ensuring a more stable connection and delivering higher-quality sound for an immersive experience.

Bluetooth 5.4

Thanks to the QCC5181 platform, BT11 supports the latest Bluetooth 5.4 version. It provides more stable connection, longer transmission ranges, and overall system performance improvements at a lower power consumption.

Simultaneous Connection

The BT11 allows you to simultaneously connect to two receiving devices, making it easier than ever to enjoy Bluetooth audio together with friends and family. *The BT11 has no physical button. After connecting to one device, enter the pairing states again through the FiiO Control App to connect the second device.

Expanded Functionality

Connect to the FiiO Control App and easily control the device and access functions such as simultaneous pairing. The BT11 will also be continuously upgraded via over-the-air (OTA) updates, including LC3, volume adjustment, indicator light control, channel balance adjustment and pairing lists.

LDAC Transmission

In order to enhance the Bluetooth transmission capability of BT11, FiiO adopted advanced PDS antenna technology. This significantly improved the transmission range while ensuring a more stable and efficient connection.

Colorful RGB Lighting Status

The color RGB indicator clearly and instantly displays the working status of the device, as well as the current Bluetooth codec.

Blue: SBC
Purple: aptX/aptX LL
Yellow: aptX HD
White: LDAC
Green: aptX Adaptive/Lossless

Red and Blue flashing alternately: Pairing
Blue light flashing: Reconnecting

Specifications

• Bluetooth Chip: Qualcomm QCC5181
• Bluetooth Version: 5.4
• USB Port: Type-C (charging and data transmission)
• Max. Sampling Rate: 96kHz/24bit
• Transmission Range: Over 50 meters (all codecs)
• Dimensions: 28 x 21 x 9mm
• Weight: 3g
• Static Power Consumption: < 22mA
• Android Device Compatibility List
• FiiO BT11 FAQs / Troubleshooting

In the Box

• FiiO BT11 Bluetooth Transmitter
• Type-C plug
• USB-A to USB-C adapter
• BT11 Quickstart Guide
• Warranty Card