Universal IEMs

Celebrating Campfire's 10 Year Anniversary of IEM Production, Andromeda 10 Draws from the Original's Sound Signature, While Featuring a New 10 BA Driver Configuration

• Special Launch Edition gold and black launch colors, only 75 units per color made
  
• First Andromeda to feature 2-pin connectors
• Special edition colors crafted with genuine Damascus steel lid
• Newly designed Noise-Elimination Mid-Circuit technology
• Classic Andromeda sound with improved technical performance
• Includes custom paired gold-plated conductor cable

Ten Years. Ten Drivers. Three Styles.

Andromeda 10 builds on the iconic legacy of the original Andromeda, drawing from the classic sound signature and infusing a decade of knowledge and technique to expand and elevate performance. It will come in three exciting styles; with two special launch editions and the standard model in the classic Andromeda green.

Expanding the classic five balanced armature Andromeda configuration to an incredible 10-BA internal architecture, Andromeda 10 is tuned for balance, clarity, and the classic just-north-of-neutral tonality that brought the original to the forefront of the high-fidelity IEM world.

Andromeda 10
Classic Andromeda green in precision machined anodized aluminum housing.

Andromeda 10 - SE Black
Black PVD stainless steel housing with black Damascus steel lid and gold inlay and fasteners. 

Andromeda 10 - SE Gold
Black PVD stainless steel housing with gold Damascus steel lid, black inlay and gold fasteners. 

The Power of 10

Andromeda 10 features an all-new, ten-balanced-armature driver configuration, doubling the quantity found in the original, five-driver architecture of the classic Andromeda.

With four low, four mid, and two high frequency balanced armatures, Andromeda 10 highlights the best in what BAs have to offer - clarity, speed, detail, and resolution - by using a large array of premium balanced armatures and pairing them with a range of design and acoustic engineering techniques to impart depth, layering, immersion, and cohesion to Andromeda 10’s sonic performance.

Internal Technologies

Hybrid Capacitor Crossover
Aiding with Andromeda 10’s driver cohesion is a vintage ceramic-film capacitor chosen specifically for its compatibility and synergy with Andromeda 10’s internal architecture. This special component helps to seamlessly blend frequency compartmented driver assemblies and to elevate and unify its sonic presentation. 

Noise Elimination Mid Circuit
New and unique to Andromeda 10, is Campfire's newly designed Noise-Elimination Mid-Circuit (NEMC), with Andromeda’s four premium mid-frequency balanced armatures housed and wired in a newly designed configuration that eliminates extraneous ringing and noise that can have a subtle presence in balanced armatures and can be even more present when stacking identical drivers. This circuitry coalesces with the other techniques and internal design of Andromeda 10 to contribute to a clean, clearly delineated presentation. 

Tuned Acoustic Expansion Chamber
A longstanding component among Campfire IEMs, and a technology found in the classic Andromeda and other iterations, Campfire’s proprietary Tuned Acoustic Expansion Chamber (TAEC) is incorporated into Andromeda 10’s internal architecture. This carefully crafted tuning chamber is coupled with Andromeda’s drivers, precisely manipulating the driver’s raw performance to achieve specific frequency response targets and increase spatial imaging and staging. 

Special Launch Edition

Commemorating the launch of Andromeda 10 are two, limited launch editions. These models feature the same incredible tuning as the standard edition and come in a precision machined PVD stainless steel body with either black or gold Damascus lids.

Accompanying these special units is a custom made, small-batch premium cable and an alternate color of our new IEM travel case. 

Damascus Steel
Durable and refined, Andromeda 10 SE features a precision machined, PVD stainless steel housing capped with a striking Damascus steel lid in gold or black. 

Custom Premium Cable
With six, thick gauge, gold-plated copper conductors, Andromeda 10 SE's cable was specially created to sonically accent Andromeda's tuning. Much like Andromeda 10 itself, this cable highlights precision, detail, and staging while imparting a touch of color.

The added touch of gold and black wire enamel and signature Campfire design-language come together to make this cable a perfect match in both sonics and aesthetic.

Specifications

• Housing
  
  • SE: Stainless steel with Damascus lid
• Cable
  
  • SE: Custom paired gold-plated conductor cable
• Frequency Response: 5Hz-20kHz
• THD: Less than 1%
• Impedance @1kHz: 8.5Ω
• SPL: 949db @ 1kHz: 12.1mVrms

Specifications

• Campfire Audio Andromeda 10 IEMs
• Ear tips
  • Foam (S/M/L)
  • Silicone (S/M/L)
  • High & Clear (S/M/L)
• New square hardshell leather case
• Eartip carrying case
• Cleaning cloth
• IEM cleaning tool
• CA 10 year anniversary pin

Featuring a New Five-Driver Internal Architecture, Alien Brain Offers a Top-to-Bottom Premium Experience With an Expertly Tuned Sonic Signature

• 5-Driver Configuration: (1x) Dual Magnet DD + (4x) BA
• New 10mm dual magnet dynamic driver with glass-pu diaphragm (low)
• Smooth and balanced sonic performance
• Eye-catching iridescent, transparent dome lid
• Features black PVD stainless steel housing
• Check out our measurement of Alien Brain

An Out-of-this-World Experience

Campfire Audio presents the next exciting entry in their storied lineage of hybrid-design in-ear-monitors; Alien Brain. Featuring a new five-driver internal architecture, Alien Brain offers a luxury experience with an expertly tuned sonic signature paired with Campfire’s renowned, hand-crafted, build-quality.

New 10mm glass-PU diaphragm

With Alien Brain, Campfire’s highly praised dual-magnet dynamic driver has received an exciting update this time with an all-new 10mm glass-PU diaphragm. Implemented as a dedicated low-frequency driver, this novel dynamic driver features a glass speaker dome and a polyurethane diaphragm; bringing a new flavor of bass presentation while maintaining the beloved strengths of the dual-magnet line.

Driver Configuration

Complementing this new dynamic driver are two high-quality, mid-frequency dedicated balanced armatures; expertly tuned by Campfire’s seasoned acoustic engineering team to bring out the most in precision, detail, and emotive quality.

Rounding out Alien Brain’s driver complement are two high-frequency balanced armatures that ensure crisp treble and an expansive soundstage. These drivers and tuning elements come together to form a sonic signature that reflects a wonderful and versatile approach.

Whether it’s the thunderous impact of a bass drop or the delicate nuances of a classical symphony, Alien Brain delivers sound in expansive, high-resolution detail, that is low-fatigue and eminently listenable.

Premium Craftsmanship

Alien Brain's precious cerebrum is firmly protected in a black PVD stainless steel shell made from full billet CNC capped off by Campfire's new, transparent, iridescent, lightweight dome lid, revealing the inner-workings of each neuron. Campfire’s new iridescent dome lid is unique, lightweight and durable, rounding out Alien Brain’s playful and striking design.

Upgraded Accessories

Alien Brain’s updated accessory bundle features Campfire’s new high-quality USB-C DAC dongle. With 32 bit / 384 kHz resolution, listeners have immediate access to a powerful, portable, solution to instantly unlock the full audio potential of HiFi.

Along with this addition, a new compact leather carrying case and Campfire’s new High & Clear high traction silicone eartips supplement Campfire’s already well-rounded accessory inclusions.

Specifications

• Driver
  • (1x) 10mm dual magnet dynamic driver with glass-pu diaphragm
  • (2x) Mid-frequency Balanced Armature drivers
  • (2x) High-frequency Balanced Armature drivers
• Impedance: 7.8Ω
• Frequency Response: 5-20 kHz
• Sensitivity: 8.97 mVrms
• THD: less than .5%

In the Box

• Campfire Audio Alien Brain IEMs
• New compact magnet closure, rigid leather case (Solar Yellow)
• New High quality portable DAC USB-C dongle - 32 bit / 394 kHz
• Two Time Stream cables (black termination, in 3.5 & 4.4)
• Standard CA foam and silicone tips (s, m, l)
• New  High & Clear lightweight, traction silicone tips (s, m, l)
• 6 pc earphone tip carrying case
• Breezy Micro two-pocket mesh bag (Black)

Introducing the 2nd generation Xelento Remote, Beyerdynamic's Tesla In-ear Headphones for the Mobile Audiophile

• Superb sound featuring 11mm TESLA sound transducer
• Extremely lightweight and ergonomic design
• Detachable MMCX cable running behind the ear
• Includes both 3.5mm and 4.4mm balanced cables
• Extensive accessories included
• Use for phone and conference calling with access to personal assistants (Siri®, Google Assistant®, and Amazon Alexa®)

The Polished Sound Tuning of Xelento

Thanks to a new, special acoustic resonator, an optimized high-frequency range ensures even more fine detail and lightness. Accordingly, the mid-range is extremely linear which is very effective at avoiding coloration. As a balanced counterpart to the treble and midrange, the bass is designed in such a way that even the lowest frequencies are reproduced with absolute precision. An additional acoustic high-tech filter makes this uniquely possible. The high external noise attenuation and the powerful drive of the transducer ultimately ensure the highest signal fidelity in terms of lowest total harmonic distortion.

TESLA Driven

The TESLA.11 driver used does not only feature an incomparably high-resolution sound, but also an enormous high efficiency, which is achieved by a powerful neodymium ring magnet. As Hi-Res Audio certified in-ear headphones, the Xelento remote (2nd generation) reproduces the full sound of music tracks with unparalleled resolution and depth.

Go Wireless

Due to the MMCX plug-in system, the Xelento remote Gen 2 can be expanded with the Xelento neck-band for Bluetooth® option. Thanks to the latest codecs, wireless hi-fi sound can be enjoyed: Qualcomm® aptX™ HD, Qualcomm®aptX™ Adaptive and LHDC as well as the integrated digital and analog converter with amplifier from AKM ensure wireless sound enjoyment is possible on Android, iOS, Windows, or MAC devices.

Xelento's Premium Design

The extremely slim, lightweight design with ergonomically-shaped housings and perfectly adapted ear-tips are designed to fit the anatomy of the human ear ensuring outstanding comfort when wearing and maximum external noise attenuation. In order to maximize the comfort while preventing noise, the cable is worn behind the ear.

As a special eye-catcher, the glossy housing is decorated with real gold. The Xelento logos are handmade of 24-carat gold and applied in a high-precision technical process.

Due to the IPX4 certification, the Xelento remote Gen 2 is also protected from moisture when on the move.

Specifications

Earphone

• Transducers: 1-way, dynamic (Beyerdynamic TESLA.11)
• Acoustic Design: Closed
• Frequency Range: 10 – 50,000Hz
• Sound Coupling: In-ear
• Ambient Noise Attenuation: 22dBA at 1kHz
• Nominal Impedance: 16Ω
• Nominal SPL: 114dB at 1mW
• Max SPL: 134dB SPL
• Nominal Power Capacity: 200mW
• THD: < 0.02% at 1kHz
• Connection: MMCX (female)
• Protection Class: IPX4
• Weight (w/o cable): 8g
• Hi-Res Audio certified: Yes

Connecting Cable, Balanced (4.4mm)

• Length: 4.27'
• Conductor Material: Copper, silver-plated
• Connection (earphone): MMCX (male)
• Remote: None
• Termination: 4.4mm, 5-pole (Pentaconn)

Connecting Cable, Unbalanced (3.5mm)

• Length: 4.27'
• Conductor Material: Copper, silver-plated
• Connection (earphone): MMCX (male)
• Remote: 3-button, universal w/ mic (compatible with most Apple and Android devices | volume control may not work on some devices, e.g. Lightning to 3.5mm adapters)
• Microphone: MEMS analog, omnidirectional
• Termination: 3.5mm, 4-pole (CTIA pinouts)

In the Box

• Silicone ear-tips in 7 sizes: XS/S/M/L/XL/XXL/XXXL
• Foam ear-tips (Comply Tx-500): S/M/L
• Spare cerumen protective grids
• Connecting cable with remote control, 4-pole mini jack (3.5mm)
• Connecting cable, BAL: 5-pole jack 4.4mm (Pentaconn)
• (x2) Cable clips
• Microfibre cleaning cloth
• Hard case (2.75" x 5.28" x 0.95")
• Quick start guide and compliance booklet

Industry Leaders Astell&Kern and 64 Audio Join Forces to Present XIO, an IEM that Fuses Striking Design with Sonic Precision to Set a New Standard

• 10-Driver hybrid universal IEMs: (2x) DD + (8x) BA
• Features 64 Audio's patented tia, apex, and LID technology
• Faceplate representing Astell&Kern's design heritage
• Precision engineering for realistic depth and space
• Specially crafted Silver Copper cable

Astell&Kern x 64 Audio

XIO is the culmination of Astell&Kern and 64Audio’s shared philosophy on design and sound. Blending precision engineering with artistic sensibility, XIO goes beyond simply playing music. It shapes sound into a tangible experience, offering value that surpasses expectations.

Designed as a true object of art, XIO sets a new standard for high-end in-ear monitors—an uncompromising fusion of aesthetics and acoustics that redefines what's possible.

Engineered for Precision

XIO is meticulously engineered both inside and out. Its advanced hybrid system, featuring ten high-performance drivers, is finely tuned with a 4-way passive crossover to ensure every frequency is in perfect harmony. This precise tuning delivers a realistic sense of depth and a rich, spacious soundstage.

10-Driver System

tiaⓇ waveguide
The tia Ⓡ driver is designed with a direct-radiating structure that eliminates the traditional sound tube, enhancing the delicacy of high frequencies. This design minimizes damping and distortion, while the precisely positioned driver, together with a custom waveguide system, delivers a deep sense of space and airy, detailed highs.

BA Driver Manifold Assembly
The mid and upper-mid frequencies are powered by six and one balanced armature drivers, respectively, delivering smooth transitions and rich texture. Vocals, instruments, and their unique harmonic details are rendered warm and clear, creating a natural and well-balanced sense of space within the soundstage.

TRUE ISOBARIC Dual Dynamic Driver
The TRUE ISOBARIC structure features two dynamic drivers perfectly synchronized within an acoustically neutral coupling chamber, enabling precise control. This design delivers bass with exceptional depth and density, as well as powerful sound impact—surpassing what is typically possible with conventional IEMs.

64 Audio Patented Technology

tiaⓇ
Tubeless In-Ear Audio (tia) is a patented IEM design that minimizes resonance and distortion, delivering clear and vivid sound.

The tia system consists of the tia driver, single-bore design, and acoustic chamber. XIO adopts the tia driver and single-bore structure to capture the pure essence of sound.

apexⓇ
apex (Air Pressure Exchange) is a patented venting system that naturally releases pressure from the sealed ear canal while maintaining excellent noise isolation.
This technology reduces listening fatigue during extended sessions and provides a much wider, more realistic soundstage. The m15 module, standard with XIO, is specially redesigned for XIO with DLC coating on 904L stainless steel, making it a unique apex solution exclusive to this model.

LIDⓇ
Linear Impedance Design (LID) is a patented circuit that compensates for nonlinear resistance between drivers, ensuring consistent sound quality regardless of changes in the output impedance of the source device. This technology provides a stable sound signature and accurate frequency response at all times.

Precision-Milled 904L Stainless Steel Shell

The exterior of XIO goes beyond that of a typical IEM, standing out as an “audio art piece” that satisfies both visual and tactile senses.
Its robust structure is crafted by precisely machining 904L stainless steel—a material harder and more challenging to work with than standard stainless steel—and is then finished with a luxurious black DLC (Diamond-Like Carbon) coating for an exceptional premium texture.

The faceplate exhibits Astell&Kern’s design heritage, projecting a three-dimensional and elegant presence through deep shading and delicate reflections.

Silver Plated Copper Litz Cable

This dedicated cable, specially crafted for XIO, is designed to achieve perfect aesthetic harmony with the earbuds. The four-core cross-braided cable is made from silver-plated, single-crystal copper (UP-OCC), offering outstanding noise shielding and transparent signal transmission. With a low impedance of just 0.29Ω, it maximizes electrical efficiency.

Specifications

• Driver
  • (2x) Dynamic drivers for lows
  • (6x) BA for mids
  • (1x) BA for high-mids
  • (1x) tia BA for highs
• Frequency Response: 5Hz-22kHz
• SPL: 103dB @ 1kHz, 1mW
• Crossover: Integrated 4-way passive
• Impedance: 6.3 ohms @ 1kHz
• Cable: Silver-plated UP-PCC Copper litz
• Plug: 4.4mm
• Connector: 0.78mm 2-pin

In the Box

• Astell&Kern x 64 Audio XIO IEMs
• 64 Audio premium leather case
• TrueFidelity foam ear tips (SML)
• Silicone ear tips (SML)
• SpinFit Silicone ear tips (SML)
• Cleaning tool and cloth
• Cable clip
• Cable
• Apex modules
  • m20 (silver)
  • m15 (stainless steel)
  • m12 (gold)
  • mX (black)

Inspired by the Soft Curves of the Moon, A&K's LUNA IEMs Harness a Newly Developed Single Planar Driver for Precise, Detailed Sound

• Features a 13mm Unipolar Micro Planar Magnetic driver
• Titanium housing enhances acoustic performance
  
• Boasts rich and natural timbre
• Includes Eletech Silver Copper cable with balanced 4.4mm plug
• Expertly crafted in Japan

True A&K Sound

LUNA is the third product in Astell&Kern's series that continues the brand's philosophy of pursuing sound fidelity faithful to the original sound. Building on the experience gained from the development of the AK ZERO1 and AK ZERO2, LUNA delivers a more precise tuning using a 13mm planar driver, enhancing spatial awareness and tonal balance.

With its meticulous design, LUNA delivers deep bass and delicate treble, providing high-quality sound across all music genres. The titanium housing enhances durability and is designed with wearability in mind to maximize comfort and fit. Experience true A&K sound with LUNA.

One Driver, Perfected

Created through a collaboration between Astell&Kern and MADOO, LUNA features a newly developed Unipolar Micro Planar Magnetic driver, named Katabiki (片響). Inspired by dynamic drivers, this driver adopts a unique unipolar magnetic circuit and is designed with a strong focus on resonance characteristics.

The diaphragm housing is precisely CNC-machined from aluminum, ensuring high rigidity of the driver body. It utilizes an ultra-thin, lightweight film with a printed aluminum pattern, reducing the diaphragm's weight. The magnetic circuit uses a powerful single magnet and a dual ring-shaped yoke to achieve excellent magnetic flux control.

These elements allow Katabiki (片響) to deliver outstanding response speed, exceptional resolution and natural resonance characteristics, faithfully reproducing even the most delicate details of music.

Hi-Fi Grade Cable by Eletech

To maximize the driver's performance, the Silver-Coated OCC and Copper OCC cable is meticulously engineered using a blend of high-purity silver plating and copper. This precise combination allows for highly detailed and accurate sound reproduction. Every connector is finished with aluminum, adding a touch of refinement and premium quality to the overall design.

Design Concept

Inspire by the soft curves of the moon, LUNA's shape provides a calm and stable listening experience. This sound philosophy ensures that LUNA ultimately pursues excellence in both sound precision and wearing comfort.

LUNA delivers both sophistication and technical precision through its refined curves and metallic texture. The elegant exterior is not only built for lasting comfort, but also engineered to optimize acoustic flow.

Made in Japan

LUNA is expertly crafted by seasoned artisans with deep-rooted expertise in in-ear monitor design. Each component is assembled with delicate care in Japan, following a highly controlled process that combines skill with advanced technology. The result is a product that reflects uncompromising quality and precision engineering at its finest.

Specifications

• Driver: 13mm Unipolar Micro Planar Magnetic
• Housing: Titanium
• Frequency Response: 20Hz-30KHz
• SPL: 105dB@1KHz(1mW)
• Impedance: 5Ω@1KHz
• THD: 1%@1KHz
• Connector: 2-Pin

In the Box

• LUNA IEMs
• Hi-Fi Eletech cable
• (3x) Pairs of Eletech Baroque (S/M/L)
• (1x) Pair of foam tips
• (3x) Pairs of AET07 ear tips (S/M/L)
• Alcantara carrying case

AK ZERO2 Combines Advanced IEM Technology with Astell&Kern's Tuning Prowess

• Quadbrid setup: Planar Magnetic, BA, Dynamic, and Piezoelectric drivers with advanced cross-over
• 3D printed acoustic chamber dedicated to each driver for crystal clear, optimally balanced sound
• Each unit meticulously crafted in Japan
• Precise CNC Aluminum housing and high-purity, silver-coated OFC cable with MMCX connectors

Advanced Quad-brid Design and Ultra-refined Cross-over Network

The AK ZERO2 is an IEM that features a “Quad-brid” design centered around an advanced driver array and Super Low Noise Cross-Over Network perfectly tuned. Four different types of driver, including Custom BA Drivers, a Planar Dynamic Driver, a 10-mm Dynamic Driver, and a Piezoelectric Transducer create the perfect synergy, coming together to form the Quad-brid AK ZERO2 capable of reproducing the pure sounds that Astell&Kern strives to deliver.

Crisp and Dynamic Treble Sound
The Micro Rectangular Planar Dynamic Driver is a driver specifically developed to deliver high frequencies, featuring advanced technology that allows a planar driver to be used in IEMs, despite the extreme difficulty in making it small enough to fit in such a small cavity.

We selected a light yet sturdy planar membrane to minimize frequency loss and applied a trembler with a thin metal membrane and polymer film to create lifelike vivid high frequencies. This provides a clear and dynamic high frequency response.

Transparent Vocal sound
The Coil Parameter Dual Custom BA Driver is a custom-made driver designed to reproduce both full-range and mid- to low-range frequencies. It comes with a total of four drivers: two BA drivers that offer ultra-low distortion to create clear low- to mid-ranged vocal sounds and two BA drivers that offer perfectly balanced rich sounds, uniquely tuned to harmonize each frequency range, playing perfect sounds.

The Deepest Bass and Clear Treble Sound
Various types of carefully designed drivers create rich, Hi-Fi sounds. The 10-mm dynamic driver used in the AK ZERO2 is meticulously manufactured using a fully automated process. This allows the driver to recreate rich and deep low frequencies. An additional piezoelectric transducer works in tandem with the dynamic driver, serving as a super tweeter that asserts its presence in the super-high frequency range that many IEMs struggle to recreate.

Super-Low-Noise Cross-Over Network
The ultra-refined cross-over network enables a perfect balance between six drivers with distinctive sound characteristics, maximizing each of their acoustic traits while creating a balanced harmonized sound.

Each Driver Has an Acoustic Chamber Made Using 3D Printing Technology
Each driver is placed optimally in an acoustic chamber that is created through refined 3D printing technology. This design eliminates any unnecessary movement and resonance of the drivers for permanently stable performance.

High Quality Construction

The housing, which is made using Astell&Kern's advanced aluminum processing technology, limits resonance to create stable high-quality sound. The pure silver-coated OFC cable, designed to maximize the performance of the AK ZERO2, is created with high-purity silver plating and copper, and adds a touch of style with plugs crafted from aluminum. The MMCX connectors offers a robust connection and a long-lasting and stable life cycle.

Each AK ZERO2 is meticulously assembled by professional technicians with extensive experience and is produced at our state of the art facilities in Japan to offer you the highest quality through strictly managed processes.

Unmatched Astell&Kern Technology

The AK ZERO2 is a bold stride forward from the AK ZERO1 into new territory, setting a new bar for clear audio. This outlines the design identity and new standards of the AK ZERO2. The diagonally cut hexagonal shape leaves a powerful impression, creating a new sound experience that sets a clear standard. The shape of the AK ZERO2 is designed to fit naturally in your ears to allow music to be enjoyed comfortably. The colorful shapes change with the lighting to offer a whole new experience alongside the unmatched sound.

Specifications

• Driver: Quad-brid Drivers
• (x1) Special Micro Rectangular Planar Dynamic Driver
• (x4) Custom Balanced Armatures
• (x1) 10mm Micro Dynamic Driver with Piezoelectric Transducer
• Cable: MMCX Hi-Fi Grade Pure Silver-coated OFC 4 Core (4.4mm, 3.5mm)
• Material: Aluminum
• Frequency Response: 20Hz–30KHz
• SPL: 105dB@1KHz(1mW)
• Impedance: 5Ω@1KHz
• THD: 0.7%@1kHz
• Astell&Kern 1 Year Warranty

In the Box

• AK ZERO2 Earbud L/R
• (x1) 3.5mm cable
• (x1) 4.4mm cable
• 5 pairs silicone ear tips
• 1 pair foam tips
• Carrying Case

Embark on a Sonic Journey with Asteria, the Radiant Second Release From 7th Acoustics, Following the Success of Supernova

• Limited run of 77 units!
• Features a 10mm High-Magnetic Flux Dynamic Driver with BalanceFlow double venting technology
• (12x) Ultra-Low Distortion Next-Gen Knowles Balanced Armature Drivers
• Proprietary Extreme Xover Performance (EXP) achieves acoustic precision
• CNC aluminum housing with gold ceramic coating and unique inlaid iridescent blue morpho faceplate
• Includes bespoke LYRA pure silver cable exclusively tuned for Asteria

7th Acoustics Newest Flagship IEM

After two years of tireless research and development by 7th Acoustics co-founder and chief engineer, Stephen Syn, they are proud to present their magnum opus: Asteria. This game-changing flagship IEM represents the culmination of their pursuit for sonic perfection.

Driver Design

Asteria is the embodiment of audio artistry, featuring cutting-edge innovation. At its core lies a 10mm bespoke dynamic driver with high magnetic flux and BalanceFlow double venting technology, delivering powerful yet controlled low-end response. 

Complementing this is a symphony of twelve next-generation, ultra low-distortion Knowles balanced armature drivers—each orchestrated through 7th Acoustics' proprietary Extreme Xover Performance (EXP) crossover system to ensure perfect coherency and acoustic balance across the spectrum.

Drawing inspiration from horn-loaded speakers, Enhanced Clarity Horn Outlet (ECHO) technology elevates treble performance, offering crisp, lifelike detail and spatial brilliance in the upper registers.

Extreme Xover Performance

EXP is 7th Acoustics' in-house proprietary crossover technology, featuring a true
higher-order crossover design to ensure perfect coherency and seamless transition between various drivers with minimum cancellation and phase mismatch. Each group of drivers is tuned meticulously to match their phase with the previous and next group of drivers. Utilizing the highest quality capacitors and resistors, EXP ensures a very low distortion and high driving efficiency without compromise. 

BalanceFlow Vent

BalanceFlow is 7th Acoustics' proprietary approach to regulate the pressure waves generated by the dynamic driver to maximize dynamics while keeping extremely low distortion levels. The dual ports deliver superb technical performance while avoiding common pitfalls such as driver flex and pressure build-up while worn. BalanceFlow adapts dynamically to the demands of the music track, giving a detailed texture, powerful punch, and yet maintaining a tight control over the driver. 

Enhanced Clarity Horn Outlet

ECHO is 7th Acoustics treble acoustic technology to control and push the supertweeter capabilities to its absolute limit. Unlike a conventional acoustic tube, ECHO mimics horn loudspeakers to enhance the efficiency of the driver, especially in the higher frequency ranges. This allows the treble region to be more crisp and well-extended without sounding unnatural or shrill.

Elegant Faceplate

Housed in a medical-grade resin shell with CNC-machined 7075 aluminum and finished with a luxurious gold ceramic coating, Asteria is as stunning as it is sonically advanced. Its faceplate, inlaid with an iridescent Blue Morpho butterfly design, evokes a sense of elegance and mystique.

Exclusively Tuned Cable

To complete the experience, Asteria comes paired with a bespoke reference-grade pure silver cable from Astral Acoustics, tuned exclusively to unlock its full sonic potential.

Specifications

• Driver
  • 10mm Dynamic driver
  • (x6) Midrange Balanced Armature drivers
  • (x2) Upper Midrange Balanced Armature drivers
  • (x2) Tweeter Balanced Armature drivers
  • (x2) Supertweeter Balanced Armature drivers
• Wiring: 6N OCC Gold Plated Copper & Estron Silver-Plated Litz
• Components: Top-of-the-Line Resistor & Inductor
• Solder: Oyaide Tin Solder 
• Connector: Spring-Loaded Gold Plated 0.78mm 2pins
• Lyra Cable
  • Material: 4N OCC Pure Silver
  • Structure: 4-core 23.5AWG, Type 6 Concentric Litz
  • Jacket: Ultrasoft PVC
  • Hardware: Full Ceramic-coated brass
  • Solder: Custom blend tin solder
  • Connector: Oyaide 2-pin
  • Plug: Furutech 4.4mm

In the Box

• 7th Acoustics Asteria IEMs
• LYRA cable
• 4.4mm to 3.5mm adapter
• Microfiber cloth
• IEM cleaning brush
• Stickers
• Genuine Stingray leather carrying case + cable clip
• Ear tips

Volür is a 10-driver Hybrid Universal IEM that Builds Upon 64 Audio's Hybrid Nio

• m12 (gold) apex modules included with purchase for a limited time
• 10-driver flagship with (x2) Dynamic, (x7) BA, and (x1) tia® driver
• Tia® driver optimizes efficiency with greater tuning control
• Made with purple abalone chip from responsibly harvested New Zealand Paua shell
• Features 64 Audio's Tia®, LID®, Apex®, and True Isobaric™ proprietary tech
• Check out our measurement of Volür

Volür: a Rewarding Evolution

Ushering in a new era of technological innovation, Volür is a 10-driver hybrid universal, building on the heritage of 64 Audio's 1st high-driver count hybrid: Nio (released in 2020.) Joining the ranks of powerhouses like U18s and Fourté, this small package is filled with a massive amount of proven and novel acoustic science.

The heart of Volür is made of 2 new custom 9mm dynamic drivers in a True Isobaric configuration, delivering unprecedented sonic capabilities in the LF band. While 64A's direct radiating tia™ high-driver remains the criterion in HF performance, the new tia™ waveguide optimizes its efficiency while offering greater tuning control.

The outer shell remains the same size with all significant structural changes occurring internally. The faceplate features a sleeker chamfer, and as an homage to the original Nio, a purple abalone chip from New Zealand Paua shells.

64 Audio Proprietary Tech

Tia®
Tubeless In-ear Audio reduces unwanted resonance and distortion for a transparent sound signature. The direct-radiating tia driver is fitted with a new waveguide with special diffusion windows to increase the efficiency and amplitude of the HF band.

LID®
Linear Impedance Design is a patented circuit that corrects non-linear electrical resistance across multiple driver-sets. Inconsistent impedance across varying devices/sources often results in varying frequency response. Restoring proper interaction with the source enables consistent, reliable sound.

Apex®
Air Pressure Exchange is a vent that releases air pressure in the ear canal while retaining standard levels of isolation. This provides listeners with increased comfort, alleviates fatigue, and allows for a more realistic soundstage. The Apex internals for Volür were redesigned to maximize space for the LF bore. Volür comes with 4 modules: mX, m12, m15 and m20.

True Isobaric™
64 Audio's cone-to-magnet isobaric driver config consists of 2 drivers connected by an acoustically inert coupling chamber resulting in better damping, lower distortion, twice the power handling, and extended LF response. A new 9mm dynamic driver was created with an upgraded magnet and Ti Cone to increase sensitivity. An acoustic low-pass filter originally developed for Fourté Blanc was used to further shape the sound.

Specifications

• Transducer: Dynamic + BA
• Transducer Config
  • (x2) Dynamic drivers (low)
  • (x6) BA drivers (mid)
  • (x1) BA driver (high-mid)
  • (x1) tia™ driver (high)
• 4-way passive crossover
• Frequency Response: 5Hz – 22kHz
• Sensitivity: 103db/mW @ 1kHz @ 1mW (94mV)
• Impedance: 6.3Ω @1kHz
• Isolation
  • m20: -20dB
  • m15: -15dB
  • m12: -12dB
  • mX: -10dB
• 64 Audio 1 Year Warranty

Cable

• 0.23Ω impedance
• Silver-plated OCC Copper
• 26 AWG
• 7 x 7 x 4 Multi-twist

In the Box

• Volür IEMs
• Leather case
• TrueFidelity foam ear tips (S/M/L)
• SpinFit + 64A silicone ear tips (S/M/L)
• 3.5mm cable
• Lapel cable clip + micro cleaning brush
• 64 Audio stickers

64 Audio's Most Popular Custom IEM is Now Available in Universal Form as the U6t

• 6-Driver Balanced Armature IEMs
• Draws from same groundbreaking technology as 64 Audios flagship IEMs
• Natural and balanced sound, yet softer presentation
• Features 64 Audio proprietary tech: tia, apex + LID
• Silver-plated OCC Copper cable with 3.5mm termination

U6t

64 Audio’s most popular CIEM now available in a universal form. Drawing from the sonic palette of U12t, U6t is 64 Audio's most affordable audiophile monitor to date. Boasting the same groundbreaking technology as their flagship IEMs in our ergonomic aluminum shell to make it more accessible than ever.

While looking towards U12t for sonic inspiration, the U18s influenced the new dark grey matte shell finish as well as its newly redesigned packaging and proprietary cable. The understated shell design and classic black faceplate reflect what you can expect from the new generation of 64 Audio’s audiophile products.

Sound

In standard 64 Audio fashion, U6t is a balanced natural sounding earphone, slightly set apart from our other UIEM models by offering a softer presentation of a mix. Beautiful upper-mid imaging, realistically presenting instruments like guitars and piano as well as breathing life into saturated mid-bass mixes, especially when vocal focused. Using the various included apex modules and ear-tips allows the listener to further customize the sound of the U6t based on the needs of the music.

Exclusive New Premium Cable

• 0.23Ω Total Impedance
• 7 x 7 x 4 Multi-Twist
• Silver-plated OCC Copper Wire
• 26 Awg

Technology

Tia
A tubeless design that reduces resonance for a transparent and lifelike sound signature.

Apex
Only from 64 Audio, apex alleviates listener fatigue by releasing air pressure sealed in the ear canal. This venting enables musicians and music enthusiasts to listen more comfortably for longer.

LID
Enables a consistent, reliable sound regardless of audio source.

Specifications

• Driver: (6x) Precision balanced armature drivers
• Driver Configuration: 1 tia high, 1 hi-mid, 2 mid, 2 low
• Frequency Response: 10Hz–20kHz
• Sensitivity: 108 dB/mW
• Impedance: 10Ω Nominal
• Crossover: Integrated 4-way passive crossover
• Isolation: -20dB with m20 apex module

In the Box

• U6t Universal IEMs
• 64 Audio premium leather case
• TrueFidelity Eartips (S,M,L)
• Silicone Eartips (S,M,L)
• SpinFit Eartips (S,M,L)
• Black premium cable
• apex Modules: m20, m15
• Round Sticker

64 Audio U4s Delivers Flagship Tech at an Affordable Price

• 4-driver hybrid IEM delivers classic 64 Audio performance with a new twist
• The slate blue shell provides a bold, stylish look
• The Tia treble driver delivers crisp, clear highs with the new dynamic driver providing deep sub-bass
• Includes Apex modules for varying isolation, silver-plated copper cable, carrying case, and plenty of ear tips
• Check out our measurement of U4s

Bold New Look and Sound

64 Audio's fiercely popular U4s features an ergonomic Aluminum shell, a Dynamic driver, x2 BAs, and a patented Tia driver, enhanced by custom 64A Tia, LID, and Apex technology for precision and clarity. A 4-way crossover with a proprietary low-pass filter minimizes distortion, while apex modules and ear tips allow for sound customization.

Powerful, deep bass remains tight and controlled in the U4s, avoiding muddiness. Revealing mids enhance stereo imaging and separation, creating a balanced, immersive sound suited for any genre and volume preference.

Tune Your Sound

The included Apex Modules and Eartips each have different sonic characteristics. You can use different combinations to accentuate different aspects of U4s' sound.

mX Module
Widest imaging with a reduction in noise isolation. Sub-bass response is diminished, giving you the ability to attenuate to your preferences based on music type and mix. It is ideally used for recordings that do not capture much sub-bass content while containing a lot of spatial information.

m12 Gold Module (*Not included with U4s)
Developed for those who feel the bass drop between m15 and mX is too drastic. Perfect for tracks where the bass is slightly overpowering the rest of the spectrum. Increases mid-range punch (reduction by 1db-4db at 130hz-20hz.)

m15 Module
The m15 module strikes the perfect balance between bass attenuation and isolation, featuring dual ambient ports that are larger than the single port in the m20. With -15dB isolation and an additional -4dB reduction at 20Hz compared to the m20, it offers a more open, natural listening experience while still maintaining effective noise control.

m20 Module
Greatly increases sub-bass response while keeping the mid-bass clean. Works great for overly bright mixes as it tilts the response towards low end. While
this module shrinks the sound-stage width, it works great for synth-heavy or modern pop music that doesn’t contain much acoustic spatial information. The m20 module also unlocks some of the missing sub information in older rock recordings (increase by 1db-2db at 40hz-20hz.)

Foam Tips
Narrows the mix and shifts HF resonant peak down. More secure fit.

Spinfit
Shifts HF resonant peak up. Best at handling microphonics and occlusion effects. The nozzle is decoupled well from the silicone touching the ear canal.

Wide Nozzle
Staging is less localized with better panning blend. Hits target frequency response curve with m15 module.

Specifications

• Transducer Configuration
  • (x1) Dynamic driver (Lows)
  • (x2) Balanced Armature drivers (Low Mids, High Mids)
  • (x1) Tia driver (Highs)
• Frequency Response: 10Hz – 20kHz
• Sensitivity: 107 dB/mW @ 1kHz @ 1mW (94mV)
• Impedance: 11Ω @1kHz
• Crossover: Integrated 4-way passive crossover
• Isolation
  • m20 Module: -20dB
  • m15 Module: -15dB
  • m12 Module: -12dB (*not included with U4s)
  • mX Module: -10dB
• Cable
  • 0.23Ω total impedance
  • 7 x 7 x 4 Multi-twist
  • Silver-plated OCC copper wire
  • 26 AWG
  • 3.5mm termination
• 64 Audio 1 Year Warranty

In the Box

• 64 Audio U4s IEMs
• Leather carrying case
• TrueFidelity ear tips (S/M/L)
• Silicone ear tips (S/M/L)
• SpinFit ear tips
• Ear tip holder
• Black premium Silver-plated copper cable with 3.5mm
• 64 Audio Apex modules (mX, m15, m20)
• 64 Audio Sticker

The 64 Audio U18t is a Top-of-the-Line Universal IEM Featuring an Unprecedented 18 Balanced Armature Drivers Per Ear

• Delivers exceptional detail, clarity and extension across all frequencies
• Precision-machined from a solid piece of aluminum
• Apex Core provides pressure release for great bass response and long listening sessions
• The tia system features an open balanced armature design and a single-bore soundport, reducing unwanted resonance and distortion

From 64 Audio

Packed with an unbelievable 18 balanced armature driver per ear, the U18t is our top-of-the-line reference in-ear monitor. This industry-first design pushes the limits of what a reference monitor can be with incredible detail, extension, and unmatched clarity across all frequencies with a powerful low-end and extended sub-bass - just like its custom counterpart, the A18t. The A18t is preferred by critical listeners in engineering, monitoring and mixing, and audiophiles.

Each ergonomic shell is machined out of a solid piece of aluminum and finished with an elegant copper-patinated inlay on the faceplates.

Technology

U18t features the following unique technology:

Tia

The tia system is comprised of three major elements: open balanced armature tia drivers, the tia single-bore design, and tia acoustic chambers. All our Custom In-Ear Monitors with tia feature two major elements of the tia system: the tia driver and the tia single-bore design.

Tia Driver
An open balanced armature speaker design for realistic resolution and transparency. By opening a balanced armature, the diaphragm becomes fully unobstructed, reducing resonance in the IEM and allowing sound to travel more naturally to the ear.

Tia Single Bore
A huge advancement in eliminating unwanted tube resonance. The large bore itself serves as a sound-shaping chamber and aids the tia high driver in delivering a linear and coherent frequency response. The short sound path provides remarkable high-frequency extension and smoothness. The large single bore also allows for easier maintenance.

Apex

Apex, or Air Pressure Exchange, is a pneumatically interactive vent that releases air pressure in a sealed in the ear canal. Apex comes in two variations, m15 (-15dB) and m20 (-20dB).

Alleviate Listener Fatigue
When you seal a miniature speaker in an ear canal, the air inside becomes trapped. Apex relieves this air pressure, allowing the eardrum to move naturally, so you can comfortably listen longer.

Extend The Soundstage
Freely moving air extends the soundstage and provides a more natural listening experience. It also preserves bass frequencies and helps the listener distinguish individual instruments.

Hear Your Audience
Custom in-ear monitors provide amazing isolation and help you hear your mix more clearly and at lower volumes than a wedge monitor or earbuds. Apex lowers decibel levels while preserving the clarity of the sounds around you, so artists on stage can connect with their audience while protecting their hearing.

LID

LID, or Linear Impedance Design, enables a consistent, reliable sound regardless of what source. This proprietary circuit corrects the non-linear impedances of the drivers, restoring proper interaction with the source and preserving the desired sound signature.

Whether you're a musician plugging into a variety of gear at different gigs or studios, or an audiophile listening from low-impedance sources, LID ensures your IEMs are delivering the desired sound signature consistently. And like all our IEMs, this model can be used with a wide range of personal audio devices as well as all hard-wired and wireless monitor systems.

64 Audio Buyer's Guide

Specs

In the Box

• U18t Universal In-Ear Monitors
• 64 Audio Personalized Protective Case
• TrueFidelity Eartips (S,M,L)
• Silicone Eartips (S,M,L)
• 48" Detachable Premium Cable
• m20 apex Modules
• m15 apex Modules
• Round Sticker

Experience Your Music Like Never Before With U18s, Boasting Resolution and Detail That Will Bring Your Favorite Tracks to New Heights

• 18-Driver Balanced Armature IEMs
• Vibrant, unfiltered sound
• Feature's 64 Audio's array of proprietary technology, including their Electrical Low-Pass Filter
  
• Striking fractal design inspired by nature
• Includes 8-braid Silver cable

U18s

64 Audio revolutionized the IEM industry in 2016 with its world class reference level U18t, the world's first 18-driver earphone. Now, with the introduction of U18s, 64 Audio has taken the heritage of the 18 driver platform and further pushed the envelope of innovation in sound and design. U18s combines proprietary drivers, LID technology and a new electronic crossover network to deliver a uniquely exceptional listening experience.

U18s is handcrafted in the USA from aerospace-grade aluminum billet. CNC milled, hand blasted, fly cut, and twice anodized - the result is a striking fractal design that is inspired by nature itself.

Technology

U18t features the following unique technology:

Tia

The tia system is comprised of three major elements: open balanced armature tia drivers, the tia single-bore design, and tia acoustic chambers. All our Custom In-Ear Monitors with tia feature two major elements of the tia system: the tia driver and the tia single-bore design.

Tia Driver
An open balanced armature speaker design for realistic resolution and transparency. By opening a balanced armature, the diaphragm becomes fully unobstructed, reducing resonance in the IEM and allowing sound to travel more naturally to the ear.

Tia Single Bore
A huge advancement in eliminating unwanted tube resonance. The large bore itself serves as a sound-shaping chamber and aids the tia high driver in delivering a linear and coherent frequency response. The short sound path provides remarkable high-frequency extension and smoothness. The large single bore also allows for easier maintenance.

Apex

Apex, or Air Pressure Exchange, is a pneumatically interactive vent that releases air pressure in a sealed in the ear canal. Apex comes in two variations, m15 (-15dB) and m20 (-20dB).

Alleviate Listener Fatigue
When you seal a miniature speaker in an ear canal, the air inside becomes trapped. Apex relieves this air pressure, allowing the eardrum to move naturally, so you can comfortably listen longer.

Extend The Soundstage
Freely moving air extends the soundstage and provides a more natural listening experience. It also preserves bass frequencies and helps the listener distinguish individual instruments.

Hear Your Audience
Custom in-ear monitors provide amazing isolation and help you hear your mix more clearly and at lower volumes than a wedge monitor or earbuds. Apex lowers decibel levels while preserving the clarity of the sounds around you, so artists on stage can connect with their audience while protecting their hearing.

LID

LID, or Linear Impedance Design, enables a consistent, reliable sound regardless of what source. This proprietary circuit corrects the non-linear impedances of the drivers, restoring proper interaction with the source and preserving the desired sound signature. Whether you're a musician plugging into a variety of gear at different gigs or studios, or an audiophile listening from low-impedance sources, LID ensures your IEMs are delivering the desired sound signature consistently. And like all our IEMs, this model can be used with a wide range of personal audio devices as well as all hard-wired and wireless monitor systems.

Experience an Incredible Execution of Balanced Armature Tech in a Top Tier Universal IEM with 64 Audio's U12t

• Stacked 12-driver Balanced Armature arrangement
• Sweet, smooth highs, powerful, physical lows, great spatial imaging
• Features 64 Audio's exclusive Tia and APEX technology
• Includes Pearl premium 26 AWG Silver-plated Copper cables in 3.5mm and 4.4mm

From 64 Audio

The U12t does it all, delivering immersive sound and impeccable spatial imaging. It's clean highs extend beautifully with a warm and engaging low-end response - just like its custom counterpart, the A12t. Offering reference-level detail, this IEM is among the best for multi-instrumentalists, engineers, sound monitors, and audiophiles.

Each ergonomic shell is machined out of a solid piece of Aluminum and finished with an elegant brushed Aluminum faceplate.

Tia

The tia system is comprised of 3 major elements: open Balanced Armature tia drivers, tia single-bore design, and tia acoustic chambers.

Tia Driver
Open Balanced Armature speaker design for realistic resolution and transparency. By opening a Balanced Armature, the diaphragm becomes fully unobstructed, reducing resonance in the IEM and allowing sound to travel more naturally to the ear.

Tia Single Bore
A huge advancement in eliminating unwanted tube resonance. The large bore itself serves as a sound-shaping chamber and aids the tia high driver in delivering a linear and coherent frequency response. The short sound path provides remarkable high-frequency extension and smoothness. The large single bore also allows for easier maintenance.

Apex

Apex (Air Pressure Exchange) is a pneumatically interactive sealed vent that releases air pressure in the ear canal. Apex comes in 4 variations:

• m20 (-20dB)
• m15 (-15dB)
• m12 (-12dB)
• mX (-10dB)

Alleviate Listener Fatigue
When you seal a miniature speaker in an ear canal, the air inside becomes trapped. Apex relieves this pressure, allowing the eardrum to move naturally so you can comfortably listen longer.

Extend The Soundstage
Freely moving air extends the soundstage and provides a more natural listening experience. It also preserves bass frequencies and helps the listener distinguish individual instruments.

Hear Your Audience
CIEMs provide amazing isolation and help you hear your mix more clearly and at lower volumes than a wedge monitor or earbuds. Apex lowers decibel levels while preserving the clarity of the sounds around you, so artists on stage can connect with their audience while protecting hearing.

LID

LID (Linear Impedance Design) enables a consistent, reliable sound regardless of the source. This proprietary circuit corrects the non-linear impedances of the drivers, restoring proper interaction with the source and preserving desired sound signature. Whether you're a musician plugging into a variety of gear at different gigs or studios, or an audiophile listening from low-impedance sources, LID ensures your IEMs are delivering the desired sound signature consistently. And like all 64A IEMs, U12t can be used with a wide range of personal audio devices as well as all hard-wired and wireless monitor systems.

Specifications

• Material: T6061 Aluminum shell + Electroformed Stainless Steel faceplate
• Drivers: (x12) precision Balanced Armatures
• Driver Config: (x1) Tia high | (x1) high-mid | (x6) mid | (x4) low
• Frequency Response: 10Hz - 20kHz
• Sensitivity: 108db dB/mW
• Impedance: 12.6Ω
• Crossover: Integrated 4-way passive crossover
• Cable: Pearl premium Silver-plated OCC Copper, 7x7x4 Multi-twist, 0.78mm 2-pin (0.23Ω | 26 AWG | SPC)

In the Box

• U12t UIEMs
• 64 Audio Premium case
• TrueFidelity foam ear tips (S,M,L)
• SpinFit silicone ear tips (S,M,L)
• Silicone ear tips (S,M,L)
• (x2) 4' Pearl Silver premium cables | 3.5mm + 4.4mm
• Apex modules: m20, m15, m12, mX
• Shirt clip, cleaning tool + cloth
• Round Sticker

From 64 Audio

The perfect in-ear monitor for listeners looking for the sweet spot between reference-level clarity and a smooth sound signature for extended listening. The tia Trió is a great earphone for audiophiles seeking a clear, laid back, 3D sound in any genre.

Tia Trió features our complete, three-part tia™ system housed in an ergonomic shell, machined from a solid piece of aluminum and finished with elegant, brushed aluminum faceplates.

Technology

Exclusive technologies that challenge traditional in-ear monitor designs to give you the absolute best listening experience.

Tia
A tubeless design that reduces resonance for a transparent and lifelike sound signature.

Apex
Only from 64 Audio, apex alleviates listener fatigue by releasing air pressure sealed in the ear canal. This venting enables musicians and music enthusiasts to listen more comfortably for longer.

LID
Enables a consistent, reliable sound regardless of audio source.

64 Audio Buyer's Guide

Specs

Driver Type/Count	2 precision BA drivers, 1 dynamic driver
Driver Configuration	1 tia high, 1 high-mid, 1 dynamic mid/low
Frequency Response	5Hz – 22KHz
Sensitivity	104db @1kHZ @1mw
Impedance	5.5 +.5/-1.5 Ω from 10Hz – 20kHz
Crossover	Integrated 3-way passive crossover
Isolation	-15dB internal apex technology

In the Box

• Trio Universal In-Ear Monitors
  
• Premium Case
• 3.5mm Black Premium Cable
• TrueFidelity Eartips (S,M,L)
• SpinFit Silicone Eartips (S,M,L)
• Silicone Eartips (S,M,L)
  
• Cleaning Tool + Cable Clip
• Round Sticker
  

64 Audio's First IEM Integrated with Their Apex Technology, Fourté, Delivers Impressive Detail and Larger Than Life Sound

• 4-Driver hybrid IEMs
• Features 64 Audio's three-part tia™ system
• Next-level detail retrieval
• Ergonomic aluminum shell
• Silver-plated OCC Copper cable with 3.5mm termination
• Check out our 64 Audio Buyer's Guide

Tia Fourté

The pinnacle of in-ear monitor technology, tia Fourté takes full advantage of everything 64 Audio has learned up to this point in designing world-class in-ear monitors. Tia Fourté boasts the most accurate sound and widest soundstage of any in-ear monitor, making it the perfect choice for audiophiles seeking detailed, lifelike audio, and three-dimensional sound.

Tia Fourté features 64 Audio's complete, housed in an ergonomic shell, machined from a solid piece of aluminum and finished with elegant, copper patina faceplates.

Technology

Tia Fourté features the following unique technology:

Tia

The tia system is comprised of three major elements: open balanced armature tia drivers, the tia single-bore design, and tia acoustic chambers. All 64 Audio Custom In-Ear Monitors with tia feature two major elements of the tia system: the tia driver and the tia single-bore design.

Tia Driver
An open balanced armature speaker design for realistic resolution and transparency. By opening a balanced armature, the diaphragm becomes fully unobstructed, reducing resonance in the IEM and allowing sound to travel more naturally to the ear.

Tia Single Bore
A huge advancement in eliminating unwanted tube resonance. The large bore itself serves as a sound-shaping chamber and aids the tia high driver in delivering a linear and coherent frequency response. The short sound path provides remarkable high-frequency extension and smoothness. The large single bore also allows for easier maintenance.

Apex

Air Pressure Exchange (Apex) is a patented vent that releases air pressure in a sealed ear canal all while retaining standard IEM levels of isolation; enabling music enthusiasts to listen more comfortably for longer. This venting alleviates listener fatigue and allows for a much more realistic soundstage. Apex is integrated in Fourté all the way down to the way the shell is milled, offering similar pressure release and isolation to our m20 module.

64 Audio Buyer's Guide

Specs

• Driver: (3x) Precision BA drivers, (1x) Dynamic driver
• Driver Configuration: 1 tia high, 1 high-mid, 1 tia mid, 1 dynamic low
• Frequency Response: 5Hz – 22KHz
• Sensitivity: 114db @1kHZ @1mw
• Impedance: 10 Ω @ 1kHz
• Crossover: Integrated 4-way passive
• Isolation: -20dB internal apex technology

In the Box

• Tia Fourté Universal In-Ear Monitors
• 64 Audio Personalized Protective Case
• TrueFidelity Eartips (S,M,L)
• Silicone Eartips (S,M,L)
• Silver-plated OCC Copper 48" Detachable Premium Cable
• Round Sticker

Feast Your Eyes on 64 Audio's Solo, the Final Note in the Tia® Line, Featuring the Most Striking Housing Update Since 2016

• (1x) 14.2mm Planar Magnetic Driver
• Features world's first Helmholtz resonator in an IEM
• Built with 64 Audio's in-house tech: Tia®, Apex Core, LID, and Helmholtz resonators
• T6061 Aluminum shell, Copper faceplate mesh
• Includes 3.5mm + 4.4mm OCC pure Copper cables
• Check out our measurement of Solo

Introducing Solo

Redefining “full-range sound” in portable high-end audio, the Solo delivers the entire sonic spectrum with a single 14.2mm planar driver. As the culmination of 64 Audio’s legendary Tia® UIEM line, it draws inspiration from the innovative legacy of Fourté, Trio, and Duo. To tackle the challenge of tuning a single driver, 64 Audio introduced a traditional electronic filter alongside the world’s first Helmholtz resonator in an IEM.

Paired with their patented LID technology, these breakthroughs are housed in 64 Audio’s most striking design since the Fourté's 2016 debut. The result is a quintessential 64 Audio sound, blending the detailed transients of planar technology with surprisingly robust low-frequency presence in their 1st ever single-driver UIEM.

Sound

Solo upholds 64 Audio's commitment to accuracy, musicality, and balance while introducing new planar driver technology. With a single driver per side, it delivers agile performance, extracting subtle details for max realism. Acoustic notch filters eliminate harshness without sacrificing performance, while the Apex core enhances high-mid and high frequencies, creating a vast soundstage. This realism is paired with tactile immersion, revealing instrument textures and even the sonic nuances of the recording equipment in your favorite tracks.

Planar Magnetic Driver

The planar magnetic driver uses a flat diaphragm with embedded conductors suspended between magnets, unlike traditional dynamic drivers with a conical diaphragm and voice coil. This uniform movement delivers detailed micro-transients typically requiring a dedicated high-frequency driver, ensuring reliable, high-resolution full-range sound from a single driver.

Technology

Helmholtz Resonators
To redefine Planar Magnetic technology, 64 Audio combined a subtle high-frequency reduction with targeted attenuation of narrow frequency bands. Leveraging years of research into Helmholtz resonators, they integrated two 3D-printed micro-cavities into Solo’s sound chamber. These cavities resonate at specific frequencies, precisely tuned to amplify or diminish problematic tones for a cleaner, more refined sound.

LID
Linear Impedance Design (LID) is a patented circuit that corrects non-linear resistance caused by Solo’s shelf filter. It compensates for variations in source output impedance, ensuring consistent frequency response across devices like smartphones, DAC/amps, and DAPs, preserving the intended sound signature.

Apex® Core
The Solo features 64 Audio’s patented Apex® core technology, enhancing fidelity and spatial accuracy while providing exceptional comfort. With a design similar to the Duo, it offers just enough isolation for focused listening while feeling open and unoccluded. This ensures hours of fatigue-free enjoyment, thanks to its innovative pressure-relieving design.

Copper 8-Braid Cable

Solo is being paired with 64 Audio's first pure copper cable. The OCC Copper, which is 23 x 25 AWG Wires, is built into 8 braids with a pleasant tactile feel as well as an impressively low 0.26Ω impedance rating. Solo comes standard with two of these cables, one SE 3.5mm and one balanced 4.4mm.

Specifications

• Transducer: 14.2mm Planar Magnetic driver
• Frequency Response: 20Hz - 20kHz
• Sensitivity: 100 dB/mW @1kHz
• Impedance: 16Ω @1kHz
• Isolation: -12 dB
  
• Cable:
  • 0.26Ω impedance
  • OCC Pure copper
  • 25 AWG + 23 wires
  • 3.5mm SE + 4.5mm BAL
• 64 Audio 1 Year Warranty

In the Box

• Solo IEMs
• Carry case
• Foam + Silicone ear tips
  
• 2-Pin cables
• Cleaning tool + cloth, shirt clip

64 Audio Nio Takes Reference-Quality Bass and Cranks it to 11 for an Exhilarating Listening Experience

• 9 Driver Hybrid with (8x) BA and (1x) DD
• Features 64 Audio's Tia®, LID® and Apex® proprietary tech
• Despite the powerful bass, Nio provides detail, separation and definition across the full frequency spectrum
• Ergonomic shell, machined out of solid aluminum

64 Audio Nio

Nio is 64 Audio's first high driver-count hybrid UIEM featuring a 9mm dynamic driver and 8 balanced armature drivers. The drivers and other patented components are housed in an ergonomic shell machined out of solid aluminum. Similar to some of their other unique faceplates, Nio is finished with a naturally sourced striking blue abalone faceplate making each pair truly unique.

Sound Signature

With a sound signature characterized by extended lows and a rich 3-dimensional soundstage, Nio’s smooth treble and natural warmth will provide hours of enjoyable listening for all genres of music. With the included variety of tips and apex modules you can take Nio from a saturated tube-like warmth all the way to a neutral reference monitor tonality.

Featured Technology

Tia
Tubeless In-Ear Audio (tia) is a patented IEM design methodology that aims to reduce unwanted resonance and distortion for a transparent and lifelike sound signature. The tia system is comprised of three major elements: open balanced armature tia drivers, the tia single-bore design, and tia acoustic chambers. Nio features two major elements of the tia system: the tia driver and the tia single-bore design.

Apex
Air Pressure Exchange (Apex) is a patented vent that releases air pressure in a sealed ear canal all while retaining standard IEM levels of isolation; enabling musicians and music enthusiasts to listen more comfortably for longer. This venting alleviates listener fatigue and allows for a much more realistic soundstage. Apex comes in three module variations for Nio: mX, m15 and m20.

LID
Linear Impedance Design (LID) is a patented circuit that corrects the non-linear electrical resistance of the multiple driver-sets comprising this 9 driver IEM. Varying source amplifier output impedance in devices like smartphones, body packs, DAC/amps, and DAPs typically results in varying frequency response across them, depending on the increase in resistance. Restoring proper interaction with the source and preserving the desired sound signature enables a consistent reliable sound.

64 Audio Buyer's Guide

Specifications

• Driver
  • (1x) tia High
  • (1x) High-Mid
  • (6x) Mid
  • (1x) Dynamic Low
• Frequency Response: 10Hz – 20kHz
• Sensitivity: 105 dB/mW
• Crossover: Integrated 4-way Passive
• Impedance: 6 ohms
• Apex Technology Isolation: -20dB, -15dB, -10dB

In the Box

• Nio Universal In-Ear Monitors
  
• Premium Leather Case
  
• Cleaning Tool
  
• Shirt Clip
  
• TrueFidelity Foam Eartips (S,M,L)
  
• Silicone Eartips (S,M,L)
  
• 48" Detachable Premium Cable
  
• Apex Modules: m20, m15, mX
• Round Sticker
  
• Product Manual

Experience an Addictive, Imminently Listenable Tuning and Strong Overall Performance with 64 Audio's Duo Hybrid IEM

• 2-driver hybrid Universal with (x1) Dynamic and (x1) Tia®
• Semi-open back Universal IEM
• Built with the complete 64 Audio technology arsenal: Tia, Apex Core, Wave Sync, and LID
• Includes black premium Silver-plated OCC Copper cable in 3.5mm

From 64 Audio

64 Audio’s Duo is a dual-driver hybrid design. Built with the complete Tia System, Apex Core, Wave Sync, and LID, Duo presents 64 Audio’s signature balanced sound in a whole new way. The simple audio design captures the listener’s auditory senses while forgetting they’re wearing IEMs in the first place.

The complex faceplate assembly not only serves an important role in protecting the shell of the IEM while allowing air to flow freely, it is also a major step in 64 Audio’s product design evolution. Duo is a timeless and elegant design reminiscent of open-back over-ear headphones.

Sound

Duo feels light, leaving your ears feeling open and relaxed even for long listening periods. You feel simultaneously connected to your physical surroundings while you’re enveloped by music. Relaxed tonality lets you put them on and get lost. It’s able to present a non-analytical top-end while retaining air and sizzle. The vast open air sensation supports an unobstructed soundstage with impactful center imaging (unlike many other open back headphones) as well as no loss of bass. Duo effortlessly produces deep and rich low frequencies with plenty of sub bass.

Technology

Exclusive technologies that challenge traditional in-ear monitor designs to give you the absolute best listening experience. Duo features the following unique technology:

tia®
Rather than constricting the sound of the drivers by fitting a tube onto them, Duo’s complete Tia System reduces unwanted resonance and distortion by allowing the 9mm Dynamic Driver + Tia High Driver to radiate freely into the single large Tia bore with no obstructions to the front of the drivers.

apex® core
Apex Core is a deeper understanding of air movement within an earphone system. Duo’s faceplate features a striking perforated grill that leaves the shell of the IEM open to the outside atmosphere for a less obstructed airflow resulting in an effortless reproduction of music and minimal physical fatigue.

wave sync
Due to the high crossover point between the two drivers, Wave Sync was developed to ensure coherence; another industry first. By using a type of “all-pass” filter, we’re able to introduce a crossover while correcting for time without having to change the physical distance between the drivers.

Specifications

• Driver Arrangement: (x1) Dynamic + (x1) Tia® Balanced Armature
• Frequency Response: 20Hz – 20kHz
• Sensitivity: 98dB/mW (98dB @ 1kHz @ 1mW (95mV)
• Impedance: 9Ω
• Crossover: Integrated 2-way passive
• Isolation: -12dB internal apex technology

In the Box

• Duo UIEMs
• 64 Audio premium Leather case
• TrueFidelity foam eartips (S,M,L)
• SpinFit silicone eartips (S,M,L)
• Silicone eartips (S,M,L)
• Black 3.5mm terminated cable
• Round sticker

Bring the On Stage Experience Home With 64 Audio Aspire 4

• Four-driver hybrid IEM tuned to provide the clarity and detail artists need for the stage combined with the musicality and engagement listeners crave
• Simplified shell offers an easy lightweight fit
• Apex Core provides pressure release for great bass response and long listening sessions
• Waveguide technology delivers perfectly balanced treble with all the detail and extension and a non-fatiguing sound

Performance Monitoring for Artists, Engaging Listening for Fans

Monitor your performance with 64 Audio's professional UIEMs specifically designed for musicians and live music professionals. Whether you're just getting into monitoring with in-ears, not ready for customs, need a backup set, or simply prefer generic fitting products, Aspire 4 offers best-in-class sound and ergonomics.

Aspire 4 is a performance monitoring tool with the same sonic characteristics and technology worn by the world's greatest performing artists. The new form factor prioritizes ergonomics without sacrificing performance. Aspire was designed and engineered by the same innovative team responsible for developing the industry defining audio gear for which 64 Audio is known.

World Class Sound

With live music at the forefront of 64 Audio's tuning criteria, should they focus on creating a highly accurate, unforgiving studio monitor or a contoured device that assists musicians with hearing themselves more effectively? As with many of 64 Audio's monitoring tools, the answer is somewhere in the middle. Huge bass that can reproduce some of the toughest frequencies in the audible spectrum with quick ease, forward mids that are precisely elevated for articulation in the most vital region of instruments and voices, and plenty of top end sparkle really separate Aspire 4 from any other UIEM in its class, making this powerful sound signature a perfect blend of accuracy and musicality.

Apex Core

64 Audio's patented technology is seamlessly integrated into the body of the earphone. The pressure relieving channel provides controlled venting via acoustic filters. Aspire 4 users get the benefits of 64 Audio's flagship technology with -20dB of isolation combined with ear saving venting.

Waveguide

Custom designed acoustic structure integrated onto the high-frequency balanced armature increases the driver's efficiency by directing and focusing its energy for a crisp and clear sound. Waveguide offers a taste of 64 Audio's flagship tia technology in a more accessible package.

Specifications

• Transducer Configuration
  • (x1) Dynamic driver (Lows)
  • (x2) Balanced Armature drivers (Mids)
  • (x1) BA driver (Highs)
• Frequency Response: 20Hz – 18kHz
• Sensitivity: 104 dB/mW @ 1kHz @ 1mW (94mV)
• Impedance: 11Ω @1kHz
• Crossover: Integrated 3-way passive crossover
• Isolation: apex core -20dB
• Cable: 48" IPX Pro Cable
• 64 Audio 1 Year Warranty

In the Box

• 64 Audio Aspire 4 IEMs
• 48" IPX Pro cable with 3.5mm termination
• 3.5mm to 6.3mm adapter
• 64 Audio Zipper case
• Silicone ear tips + Foam ear tips (S/M/L)
• Cleaning tool

Aspire 3 is a Three-Driver IEM with a Balanced Sound Signature, Complemented by a Full-Bodied Mid-Range and Wide Soundstage

• Third IEM in the new 64 Audio Aspire Series lineup
• Crafted with (1x) DD + (2x) BA driver
• Apex Core provides pressure release for great bass response and long listening sessions
• Waveguide technology delivers perfectly balanced treble with all the detail and extension and a non-fatiguing sound
• Corrective circuit eliminates sound variance between a number of sources
• Check out our measurement of Aspire 3

Aspire Series

Aspire Series IEMs empower musicians to monitor their performances with the same sonic excellence and industry-shaping technology used by some of the world's greatest performers. Whether you're just getting into in-ear monitoring, not ready for customs, need a back-up set or simply prefer universal-fit products, Aspire Series UIEMs are designed to accommodate the widest range of ears.

In addition to their crowd-pleasing ergonomics and fit, the four models offer distinct variations of sound signatures, within neutral preference bounds, to suit any musician or singer.

Aspire 3

Aspire 3's balanced sound signature is complemented by a full-bodied mid-range and wide soundstage built into a form-factor that prioritizes ergonomics without sacrificing technical capabilities. All designed and engineered by the innovative team responsible for the industry standard audio gear that 64 Audio is famous for.

Three-Driver IEMs

Aspire 3 houses a carefully refined three-driver design that strikes the perfect balance between energy and precision. Its hybrid configuration features a dynamic driver for lows, a balanced armature for mids, and another balanced armature for highs.

While the bass remains rich and robust, the mids take center stage, adding extra body to vocals and instruments. Aspire 3 also integrates a custom high-frequency waveguide, further shaping its balanced frequency response to ensure clarity and articulation where it matters most.

Technology

apex core
64 Audio's patented technology is seamlessly integrated into the body of the earphone. The pressure relieving channel provides controlled venting via acoustic filters. Aspire 3 users get the benefits of 64 Audio's flagship technology with -20dB of isolation combined with ear saving venting.

waveguide
waveguide is a designed acoustic structure integrated onto the high-frequency balanced armature driver. Unique in its shape and implementation, this waveguide increases the driver's efficiency by directing and focusing its energy for a crisp and clear sound.

LID
Linear Impedance Design is a patented circuit that corrects non-linear electrical resistance across multiple driver-sets. Inconsistent impedance across varying devices/sources often results in varying frequency response. Restoring proper interaction with the source enables consistent, reliable sound.

Specifications

• Frequency Response: 20Hz-18kHz
• Sensitivity: 107dB @1kHz @1mw
• Impedance: 12 Ω @1kHz
• Isolation: -20dB
• Material: Molded ABS shell + Stainless Steel nozzle
• 64 Audio 1 Year Warranty

In the Box

• Aspire 3 IEMs
• Carry case
• Foam + Silicon ear tips
• IPX cable
• Cleaning tool
• 1/4" adapter

Aspire 2 is a Two-Driver IEM with a Bass-Forward Sound Signature, Complimented by Extended Highs

• Second IEM in the new 64 Audio Aspire Series lineup
• Crafted with (1x) DD + (1x) BA driver
• Apex Core provides pressure release for great bass response and long listening sessions
• Helmholtz Resonator eliminates resonance by targeting frequencies for optimum tuning
• Corrective circuit eliminates sound variance between a number of sources
• Check out our measurement of Aspire 2

Aspire Series

Aspire Series IEMs empower musicians to monitor their performances with the same sonic excellence and industry-shaping technology used by some of the world's greatest performers. Whether you're just getting into in-ear monitoring, not ready for customs, need a back-up set or simply prefer universal-fit products, Aspire Series UIEMs are designed to accommodate the widest range of ears.

In addition to their crowd-pleasing ergonomics and fit, the four models offer distinct variations of sound signatures, within neutral preference bounds, to suit any musician or singer.

Aspire 2

Aspire 2's bass-forward sound signature is complemented by extended highs and wide soundstage built into a form-factor that prioritizes ergonomics without sacrificing technical capabilities. All designed and engineered by the innovative team responsible for the industry standard audio gear that 64 Audio is famous for.

Two-Driver IEMs

A dual-driver system with a two-way crossover system provides increased flexibility in tuning. By leveraging the unique characteristics of both dynamic and balanced armature drivers, Aspire 2 delivers focused low-end impact alongside details mids and highs. Additionally, its integrated Helmholtz Resonator technology helps achieve a forward low-end presentation with an elevated high-frequency response without harshness.

Technology

apex core
64 Audio's patented technology is seamlessly integrated into the body of the earphone. The pressure relieving channel provides controlled venting via acoustic filters. Aspire 2 users get the benefits of 64 Audio's flagship technology with -20dB of isolation combined with ear saving venting.

Helmholtz Resonator
3D Printed micro-cavities operate by forcing air in and out, causing the air inside to resonate at a specific frequency. By precisely determining the dimensions of the cavity and its neck, we can target a very narrow resonant frequency to amplify or diminish.

LID
Linear Impedance Design is a patented circuit that corrects non-linear electrical resistance across multiple driver-sets. Inconsistent impedance across varying devices/sources often results in varying frequency response. Restoring proper interaction with the source enables consistent, reliable sound.

Specifications

• Frequency Response: 20Hz-10kHz
• Sensitivity: 103dB @1kHz @1mw
• Impedance: 13 Ω @1kHz
• Isolation: -20dB
• Material: Molded ABS shell + Stainless Steel nozzle
• 64 Audio 1 Year Warranty

In the Box

• Aspire 2 IEMs
• Carry case
• Foam + Silicon ear tips
• IPX cable
• Cleaning tool
• 1/4" adapter

Aspire 1 is a Single-Driver IEM Engineered for Balanced Sound, Deep Bass, and a Wide Soundstage, Offering Pro-level Performance in an Ergonomic Design

• First IEM in the new 64 Audio Aspire Series lineup
• Crafted with a single dynamic driver
• Apex Core provides pressure release for great bass response and long listening sessions
• Helmholtz Resonator eliminates resonance by targeting frequencies for optimum tuning
• Check out our measurement of Aspire 1

Aspire Series

Aspire Series IEMs empower musicians to monitor their performances with the same sonic excellence and industry-shaping technology used by some of the world's greatest performers. Whether you're just getting into in-ear monitoring, not ready for customs, need a back-up set or simply prefer universal-fit products, Aspire Series UIEMs are designed to accommodate the widest range of ears.

In addition to their crowd-pleasing ergonomics and fit, the four models offer distinct variations of sound signatures, within neutral preference bounds, to suit any musician or singer.

Aspire 1

Aspire 1's balanced sound signature is complemented by deep bass and wide soundstage built into a form-factor that prioritizes ergonomics without sacrificing technical capabilities. All designed and engineered by the innovative team responsible for the industry standard audio gear that 64 Audio is famous for.

Single-Driver IEMs

64 Audio's decades of combined experience in performance monitoring distilled into its purest form: a single-driver in-ear monitor. Aspire 1's full-range dynamic driver is precisely tuned using multiple Helmholtz Resonators, integrated into its 3D-printed housing, to deliver a bass-forward interpretation of 64 Audio's balanced sound signature.

Technology

apex core
64 Audio's patented technology is seamlessly integrated into the body of the earphone. The pressure relieving channel provides controlled venting via acoustic filters. Aspire 1 users get the benefits of 64 Audio's flagship technology with -20dB of isolation combined with ear saving venting.

Helmholtz Resonator
3D Printed micro-cavities operate by forcing air in and out, causing the air inside to resonate at a specific frequency. By precisely determining the dimensions of the cavity and its neck, we can target a very narrow resonant frequency to amplify or diminish.

Specifications

• Frequency Response: 20Hz-18kHz
• Sensitivity: 106dB @1kHz @1mw
• Impedance: 30 Ω @1kHz
• Isolation: -20dB
• Material: Molded ABS shell + Stainless Steel nozzle
• 64 Audio 1 Year Warranty

In the Box

• Aspire 1 IEMs
• Carry case
• Foam + Silicon ear tips
• IPX cable
• Cleaning tool
• 1/4" adapter

FATfreq x HBB Deuce, the Sub-Bass IEM with the Golden Combo of Punch and Rumble

• Features FATfreq's 2nd generation Basscanon technology
• Deep, focused power featuring 25dB sub-bass shelf
• Meticulously tuned with top reviewer HBB (Bad Guy Good Audio Reviews)
• Custom-designed Dynamic chamber
• Check out our measurement of Deuce

Meticulously Tuned with Top Reviewer HBB

Over a year, the Deuce was meticulously tuned with top reviewer HBB, also known as Bad Guy Good Audio Reviews, undergoing multiple iterations of tuning and design. Each phase focused on refining sound clarity, depth, and dynamics. HBB's extensive collection of hip-hop, rock, and classical tracks heavily influenced the Deuce's tuning direction, with significant effort spent to ensure it excels in these genres. This dedication has resulted in an IEM that offers unparalleled audio quality and an immersive experience.

FF Custom-Designed Dynamic Chamber

FATfreq introduces a new acoustic system featuring advanced networks that meticulously manage sound wave propagation to ensure optimal clarity and precision. Specially engineered bass chambers optimize airflow, enhancing tonality and deepening bass response.

FATfreq Tech

BASS CANNON™ (Patent Pending): Using proprietary dynamic woofers, bass chambers and acoustic damping networks, FATfreq was able to design the deepest bass ever recorded of over 30dB, expertly controlled below 150Hz with zero mid-range bleed. A FATfreq innovation pioneered and perfected for sheer bass power.

SONAR LA TROMPA™: Inspired by the anatomy of the traditional french horn, FATfreq uses exponential horn curvature for gain control and to improve treble tonality via acoustics. Providing you with Smooth, natural sounding highs, grounded by a nice timbre in the mid and low frequencies.

PHASEALIGN: The absence of a DSP in IEMs means that FATfreq had to match the phase of multi-way systems via Acoustic delay. Using proprietary structures, they were able to align the low, mid and high frequencies such that they reach your eardrum in a coherent manner. Giving you the sound accuracy and resolution demanded on stage and studio.

Specifications

• Bass Cannon™ technology
• Cable: 2-Pin (0.78) sockets
• FATfrequency 1 Year Warranty

In The Box

• FATfreq x HBB Deuce IEM
• Pre-order special: Silver 'Blood' cable + Bass impedance adapter