Weiss

The Weiss PSU102 Provides Your Devices With the Cleanest, Quietest, and Most Stable Power for Optimal Performance and Reliability

• Delivers exceptionally low noise power, making it ideal for high-end audio requiring precision and stability
• Features high-speed, non-switching linear voltage regulator
• Offers selectable output voltages (5V, 6V, 9V and 12V)
• Utilizes a toroidal mains transformer for reduced magnetic interference

Clean Power For Your System

Your high-end devices deserve to be supplied with the cleanest, quietest, and most stable power possible. Built to the standard of all other Weiss devices, the PSU102 includes a discrete voltage regulator and an extremely low noise floor capable of driving heavy loads.

The PSU102 is a universal, non-switching, analog power supply. It is designed to provide clean and quiet power to the finest hi-fi devices.

It is very low noise but still capable of driving complex loads.

Electronics

Weiss Engineering's design uses a discrete, non-switching, linear voltage regulator. The voltage regulator circuitry works at a very high speed in order to quickly follow high-frequency load fluctuations.

The electrolytic capacitors are low ESR types. The toroidal mains transformer ensures low magnetic radiation and low noise operation.

Inputs and Outputs

The unit has one IEC-type power input with an input voltage selector (nominal 115V or 230V), a power on/off switch, and a primary fuse.

There are two output sockets that are wired in parallel. The sockets are made by the Swiss company Fischer and are of very high quality.

The output voltage can be set to 5V, 6V, 9V, or 12V. The output current rating goes to 1.5A both outputs combined. The outputs are short-circuit proof.

Specifications

• Mains Power
  • Mains Voltage: 100-120/200-240 Volt.
  • Fuse Rating: 500mA slow blow at the 115V setting and 250 mA slow blow at the 230V setting
  • Power Consumption: 30VA max
• Outputs: Two Fischer brand two-pin sockets, wired in parallel. The corresponding Fischer plugs are S 102 A051-130+ with the E3 102.5/3.5 cable clamp
• Output Voltage + Current
  • 5V, 6V, 9V, 12V
  • Current: Up to 1.5A with the two sockets combined
• Weiss PSU102 User Manual

Weiss Helios Brings Professional Studio Caliber Digital-to-Analog Conversion to Your Living Room

• Helios integrates Weiss technology developed for the most prestigious studios in the world into a DAC made for your home
• Helios's 8 DAC chips each feature 4 parallel conversion channels for the equivalent of 32-channel DAC processing
• Advanced DSP offers optimized room and headphone performance
• Numerous digital input formats, balanced and unbalanced analog outputs
• Sampling frequencies up to 384 kHz plus DSD x64 and x128
• Functions as a preamp, headphone amp, and a streamer (UPnP & ROON Ready)
  

Professional-Level Digital to Analog Converter at Home

Originating in Weiss Engineering’s product line for professional mastering studios, the HELIOS is truly a zero-compromise DAC. Weiss' pro clients work in the world’s top-tier studios, and it's not an option for them to use anything but the best monitoring. For those seeking the same representation of their music as mastering engineers hear when fine-tuning the audio in the studio, the HELIOS is the unit to get.

The HELIOS housing is made of a dual frame scheme with a stainless steel internal frame and a thick aluminum outer frame. It maintains an impressive level of professional quality, but with design and features that better suit the high-end hi-fi market. With the HELIOS, you are hearing what the professionals are hearing.

Flexible Connectivity

The HELIOS comes with digital inputs in numerous formats and has both balanced and unbalanced analog outputs. All standard sampling frequencies up to 384 kHz plus DSD x64 and x128 are supported. Furthermore, the unit functions as a preamp, headphone amp, and a streamer (UPnP/ROON).

The HELIOS’ XLR and RCA outputs can be used to drive amp line inputs as well as headphones directly or via a dedicated headphone amp. DSP processing can be switched to speaker or headphone mode.

Purist Signal Path

To achieve its exceptional performance spec, the HELIOS uses an 8-channel 32-bit D/A converter chip, with 4 paralleled conversion channels per audio channel. All analog processing is done with discrete operational amplifier modules, the Weiss OP2-BP, arguably the best audio operational amp currently available.

The built-in digital audio processing is based on the same algorithms used in Weiss Engineering’s pro audio tools. With HELIOS, you can adjust audio using the same pro-grade algorithms used to mix and master the original recordings. It also uses an internal high-precision/low jitter clock generator for ultra-stable clocking of the D/A conversion.

Ease of Use

The HELIOS comes with an IR remote control which can be used to select the active input and output, the DSP audio processing presets, and switch power on and off. Additionally, control and configuration of the HELIOS is available via web browser, adding detailed control of DSP processing and preset mgmt.

DSP Features

Room EQ: to suppress room modes for more accurate bass reproduction.

Creative EQ: tone control with low boost/cut, high boost/cut, and mid boost/cut.

Headphone EQ: to adapt any headphone to the listener’s ears in terms of frequency response.

De-Essing: automatic removal of overly bright sibilances from human voices. The sibilance effect can be more or less pronounced depending on your speakers or room acoustics.

Constant Volume: adjusts the audio volume (loudness) to a constant value across all tracks played. Useful for “party mode” when volume control should stay untouched.

Vinyl Emulation: get that special sonic character of a record player based playback chain. Also employed is an emulation of the DMM-CD procedure offered by Stockfisch.

Crosstalk Cancelling (XTC): for the playback of dummy head recordings or live recordings via speakers for an incredible live sensation (speaker-based playback only.)

Loudness Control: listening volume dependent EQ of audio.

Crossfeed: emulates speaker-based impression on headphones.

Specifications

Inputs

• AES/EBU or S/PDIF via XLR, Toslink and RCA sockets
• UPnP/DLNA via Ethernet
• USB-B
• Roon Ready
• Formats: PCM 44.1kHz up to 384 kHz, DSD 64x / 128x (*Future formats can be accommodated via software updates)

Outputs

• RCA Line Out: 2V
• XLR Line Out: 4V
• SE Headphone Out: Max 8.1 Vrms
• Balanced Headphone Out: Max 16.3 Vrms
• Output stages are based on Weiss discrete OP2-BP Operational Amplifier design

Output levels can be set in a coarse manner with 8 steps to adapt for the amplifier or headphone connected. The levels can be set independently for line and headphone outputs. No sound degrading servo mechanisms are used.

Interface

• Rotary encoder knob for changing parameters and for powering the unit on/off
• Touch screen color LCD display
• IR receiver

Dimensions: 17.7" W x 2.6" H (2.9" w/ feet) x 11.8" D

Power

• Mains Voltage: 100-120 V or 200-240 V, automatic voltage selection
• Fuse Rating: 500 mA slow blow
• Power Consumption: 25 VA max. | In Standby: 2.2 VA max.

Weiss Helios User Manual

The New DAC502 MK2 Version Delivers a Higher Level of Sonic Performance Than the Older DAC502 It Replaces

• State of the art D/A Converter
• (2x) 32-bit ESS Sabre DAC chips per channel
• Stainless steel chassis with 10mm aluminum faceplate
• Improved transparency and openness

From Weiss

The DAC502 MK2 is a state of the art D/A Converter with an unprecedented level of sophistication and versatility. The MK2 version delivers a higher level of sonic performance than the older DAC502.

A typical D/A Converter is a "set and forget" device. Not so with the DAC502 MK2. It adds a number of interesting signal processing features and sports a variety of digital inputs. Balanced, unbalanced and headphone outputs are provided. 

Weiss Engineering has a 30 year history in D/A Converter design. In that time span we have learned a thing or two about converter design. The DAC502 MK2 is the essence of our experiences.

New and Improved

The MK2 versions use the latest DAC chips with stellar technical specifications, making for an enhanced two channel DAC with improved transparency and openness. Both line output stages and headphone output stages are built with Weiss’ proprietary discrete electronics.

Both units incorporate a stainless steel chassis with a robust 10mm aluminum faceplate. Digital processing is performed by a pair of 32-bit ESS Sabre DAC chips per channel, providing superb channel separation and noise-rejection in both two and four channel applications.

What’s most significant, however, is the unit’s analog stage, whose new discrete operational amplifiers are of the utmost importance. These “discrete operational amplifiers” are called OP2-BP, and are designed and produced by Weiss. Their performance far exceeds commonly-available monolithic op-amp chips, and contribute to Helios’ extraordinary sound quality and unmatched signal to noise ratio of 128 dB.

The Weiss DAC 501/502 MK2 share the same circuitry and componentry, and differ primarily in form-factor: the DAC501 MK2 is a compact, half-width unit, allowing placement flexibility in desktop and studio applications, as well as in home systems of any size. The DAC502 MK2 features a standard, full-width chassis; it also differs from the 501 by including a four-pin balanced headphone connector on the back of the enclosure.

Power Supply

A powerful non-switching power supply is used. All sensitive voltages have their own regulators which are separated between left and right channels. The result is an analog output free of “digital noise” and channel crosstalk. The power switch activates a semiconductor relay which only switches on or off at zero crossings of the mains voltage. This assures a glitch free power switching. The two mains transformers are toroidal types. Mains voltage selection is done automatically by measuring the mains voltage before power is applied to the rest of the electronics.

Synchronization

An internal high precision / low jitter clock generator is responsible for clocking the D/A converter section. The sampling frequency of that generator is fixed at about 195kHz. The input signals are converted to the 195kHz sampling frequency for optimal signal quality. This scheme also helps significantly in reducing any jitter related effects. All standard sampling frequencies up to 384 kHz plus DSD x64 and x128 are supported.

Digital Inputs

There are a total of five inputs:

• AES/EBU or S/PDIF via XLR, Toslink and RCA sockets
• UPnP / DLNA via Ethernet
• USB
• Roon Ready
• Accepted formats: PCM 44.1kHz up to 384 kHz, DSD 64x / 128x.
• Future formats can be accommodated for via software updates.

Signal Processing

The DAC50x has a digital signal processing chip built in (DSP).
The following DSP algorithms are currently implemented:

• Room Equalizer - to suppress room modes for a decent bass reproduction.
• Creative Equalizer - a tone control with low boost/cut, high boost/cut and mid boost/cut. Very useful to correct those recordings which do not quite sound right.
• De-Essing - the automatic removal of overly bright sibilances from human voices. The sibilance effect can be more or less pronounced depending on your speakers or room acoustics.
• Constant Volume - adjusts the audio volume (loudness) to a constant value across all tracks played. Useful for "party mode" when the volume control should stay untouched.
• Vinyl Emulation - get that special sonic character of a record player based playback chain. We also employ an emulation of the DMM-CD procedure offered by the Stockfisch label.
• Crosstalk Cancelling (XTC) - for the playback of dummy head recordings or live recordings via speakers for an incredible live sensation. Dummy head recordings usually are listened to via headphones because they only work properly if the left channel goes to the left ear only and the right channel to the right ear only. With speakers this is difficult to achive as the left channel goes to the left and the right ear. But with some clever signal processing of the speaker channels is is possible to suppress the crosstalk, i.e. the audio going from the left speaker to the right ear and vice versa. If that works properly then the recording sounds as if one would be in the space where the recording has taken place. All the reverberation and 3D representation of the sound sources is there.(For speaker based playback only.)
• Loudness Control - a listening volume dependent equalization of the audio.
• Headphone Equalizer - to adapt any headphone to the listener's ears in terms of frequency response.
• Crossfeed - to emulate a speaker based playback impression on headphones.

Converters

Two of the latest 32 bit D/A Converter chips are used. Two D/A conversion channels are used per audio channel, resulting in exceptional performance specifications.

Analog Outputs

• Line out unbalanced on RCA connector.
• Line out balanced on XLR connector.
• Headphone out on 1/4" Jack Analogue.
• Discrete output stages for both line and headphone outputs are employed.
• The output levels can be set in a coarse manner with 4 steps to adapt for the amplifier or headphone connected. The levels can be set independently for line and headphone outputs.
• No sound degrading servo mechanisms are used.

Web Interface
The DAC50x has a web interface for configuring it via a web browser. The following functions are accessible via the web interface:

• Volume and Balance controls.
• Input selection.
• Output type.
• DSP algorithms configuration.
• DSP snapshots configuration.

Specs

Power
Mains voltage: 100…120 V or 200…240 V, automatic voltage selection

Fuse rating: 500 mA slow blow at 100…120 V, 250 mA slow blow at 200…240 V

Power consumption: 25 VA max.

Power consumption in standby: 2.2 VA max.

Size
Depth: 30 cm
Width: 18,8 cm
Height: 6,6 cm
Height with feet: 7,2 cm

Digital Inputs
(1) XLR connector
(1) RCA connector
(1) TOSLINK connector (optical)
(1) USB type B connector
(1) RJ45 Ethernet connector

Line Output

XLR Output with a 0 dBFS sine wave input:
0 dB setting: 6.8 Vrms +18.9 dBu
-10 dB setting: 
2.2 Vrms +8.9 dBu
-20 dB setting: 0.68 Vrms -1.1 dBu
-30 dB setting: 0.22 Vrms -11.1 dBu

Suggested subsequent amplifier input impedances:

0 dB setting: 900 Ω or higher

-10 dB setting: 100 Ω or higher

-20 dB setting: 60 Ω or higher

-30 dB setting: 60 Ω or higher

RCA Output with a 0 dBFS sine wave input:
0 dB setting: 3.4 Vrms +12.9 dBu
-10 dB setting: 
1.1 Vrms +2.9 dBu
-20 dB setting: 0.34 Vrms -7.1 dBu
-30 dB setting: 0.11 Vrms -17.1 dBu

Suggested subsequent amplifier input impedances:

0 dB setting: 450 Ω or higher

-10 dB setting: 50 Ω or higher

-20 dB setting: 30 Ω or higher

-30 dB setting: 30 Ω or higher


Headphone Output

Headphone output with a 0 dBFS sine wave input:
0 dB setting: 6.8 Vrms +18.9 dBu
-10 dB setting: 
2.2 Vrms +8.9 dBu
-20 dB setting: 0.68 Vrms -1.1 dBu
-30 dB setting: 0.22 Vrms -11.1 dBu

Suggested headphone impedances:
0 dB setting: 200 Ω or higher

-10 dB setting: 30 Ω or higher

-20 dB setting: 10 Ω or higher

-30 dB setting: 4 Ω or higher

The New DAC501 MK2 Version Delivers a Higher Level of Sonic Performance Than the Older DAC501 It Replaces

• State of the art D/A Converter
• (2x) 32-bit ESS Sabre DAC chips per channel
• Stainless steel chassis with 10mm aluminum faceplate
• Improved transparency and openness

From Weiss

The DAC501 MK2 is a state of the art D/A Converter with an unprecedented level of sophistication and versatility. The MK2 version delivers a higher level of sonic performance than the older DAC501.

A typical D/A Converter is a "set and forget" device. Not so with the DAC501 MK2. It adds a number of interesting signal processing features and sports a variety of digital inputs. Balanced, unbalanced and headphone outputs are provided.

Weiss Engineering has a 30 year history in D/A Converter design. In that time span we have learned a thing or two about converter design. The DAC501 MK2 is the essence of our experiences.

New and Improved

The MK2 versions use the latest DAC chips with stellar technical specifications, making for an enhanced two channel DAC with improved transparency and openness. Both line output stages and headphone output stages are built with Weiss’ proprietary discrete electronics.

Both units incorporate a stainless steel chassis with a robust 10mm aluminum faceplate. Digital processing is performed by a pair of 32-bit ESS Sabre DAC chips per channel, providing superb channel separation and noise-rejection in both two and four channel applications.

What’s most significant, however, is the unit’s analog stage, whose new discrete operational amplifiers are of the utmost importance. These “discrete operational amplifiers” are called OP2-BP, and are designed and produced by Weiss. Their performance far exceeds commonly-available monolithic op-amp chips, and contribute to Helios’ extraordinary sound quality and unmatched signal to noise ratio of 128 dB.

The Weiss DAC 501/502 MK2 share the same circuitry and componentry, and differ primarily in form-factor: the DAC501 MK2 is a compact, half-width unit, allowing placement flexibility in desktop and studio applications, as well as in home systems of any size. The DAC502 MK2 features a standard, full-width chassis; it also differs from the 501 by including a four-pin balanced headphone connector on the back of the enclosure.

Power Supply

A powerful non-switching power supply is used. All sensitive voltages have their own regulators which are separated between left and right channels. The result is an analog output free of “digital noise” and channel crosstalk. The power switch activates a semiconductor relay which only switches on or off at zero crossings of the mains voltage. This assures a glitch free power switching. The two mains transformers are toroidal types. Mains voltage selection is done automatically by measuring the mains voltage before power is applied to the rest of the electronics.

Synchronization

An internal high precision / low jitter clock generator is responsible for clocking the D/A converter section. The sampling frequency of that generator is fixed at about 195kHz. The input signals are converted to the 195kHz sampling frequency for optimal signal quality. This scheme also helps significantly in reducing any jitter related effects. All standard sampling frequencies up to 384 kHz plus DSD x64 and x128 are supported.

Digital Inputs

There are a total of five inputs:

• AES/EBU or S/PDIF via XLR, Toslink and RCA sockets
• UPnP / DLNA via Ethernet
• USB
• 1/4" headphone jack
• Roon Ready
• Accepted formats: PCM 44.1kHz up to 384 kHz, DSD 64x / 128x.
• Future formats can be accommodated for via software updates.

Signal Processing

The DAC50x has a digital signal processing chip built in (DSP).
The following DSP algorithms are currently implemented:

• Room Equalizer - to suppress room modes for a decent bass reproduction.
• Creative Equalizer - a tone control with low boost/cut, high boost/cut and mid boost/cut. Very useful to correct those recordings which do not quite sound right.
• De-Essing - the automatic removal of overly bright sibilances from human voices. The sibilance effect can be more or less pronounced depending on your speakers or room acoustics.
• Constant Volume - adjusts the audio volume (loudness) to a constant value across all tracks played. Useful for "party mode" when the volume control should stay untouched.
• Vinyl Emulation - get that special sonic character of a record player based playback chain. We also employ an emulation of the DMM-CD procedure offered by the Stockfisch label.
• Crosstalk Cancelling (XTC) - for the playback of dummy head recordings or live recordings via speakers for an incredible live sensation. Dummy head recordings usually are listened to via headphones because they only work properly if the left channel goes to the left ear only and the right channel to the right ear only. With speakers this is difficult to achive as the left channel goes to the left and the right ear. But with some clever signal processing of the speaker channels is is possible to suppress the crosstalk, i.e. the audio going from the left speaker to the right ear and vice versa. If that works properly then the recording sounds as if one would be in the space where the recording has taken place. All the reverberation and 3D representation of the sound sources is there.(For speaker based playback only.)
• Loudness Control - a listening volume dependent equalization of the audio.
• Headphone Equalizer - to adapt any headphone to the listener's ears in terms of frequency response.
• Crossfeed - to emulate a speaker based playback impression on headphones.

Converters

Two of the latest 32 bit D/A Converter chips are used. Two D/A conversion channels are used per audio channel, resulting in exceptional performance specifications.

Analog Outputs

• Line out unbalanced on RCA connector.
• Line out balanced on XLR connector.
• Headphone out on 1/4" Jack Analogue.
• Discrete output stages for both line and headphone outputs are employed.
• The output levels can be set in a coarse manner with 4 steps to adapt for the amplifier or headphone connected. The levels can be set independently for line and headphone outputs.
• No sound degrading servo mechanisms are used.

Web Interface
The DAC50x has a web interface for configuring it via a web browser. The following functions are accessible via the web interface:

• Volume and Balance controls.
• Input selection.
• Output type.
• DSP algorithms configuration.
• DSP snapshots configuration.

Specs

Power
Mains voltage: 100…120 V or 200…240 V, automatic voltage selection

Fuse rating: 500 mA slow blow at 100…120 V, 250 mA slow blow at 200…240 V

Power consumption: 25 VA max.

Power consumption in standby: 2.2 VA max.

Size
Depth: 30 cm
Width: 18,8 cm
Height: 6,6 cm
Height with feet: 7,2 cm

Digital Inputs
(1) XLR connector
(1) RCA connector
(1) TOSLINK connector (optical)
(1) USB type B connector
(1) RJ45 Ethernet connector

Line Output

XLR Output with a 0 dBFS sine wave input:
0 dB setting: 6.8 Vrms +18.9 dBu
-10 dB setting: 
2.2 Vrms +8.9 dBu
-20 dB setting: 0.68 Vrms -1.1 dBu
-30 dB setting: 0.22 Vrms -11.1 dBu

Suggested subsequent amplifier input impedances:

0 dB setting: 900 Ω or higher

-10 dB setting: 100 Ω or higher

-20 dB setting: 60 Ω or higher

-30 dB setting: 60 Ω or higher

RCA Output with a 0 dBFS sine wave input:
0 dB setting: 3.4 Vrms +12.9 dBu
-10 dB setting: 
1.1 Vrms +2.9 dBu
-20 dB setting: 0.34 Vrms -7.1 dBu
-30 dB setting: 0.11 Vrms -17.1 dBu

Suggested subsequent amplifier input impedances:

0 dB setting: 450 Ω or higher

-10 dB setting: 50 Ω or higher

-20 dB setting: 30 Ω or higher

-30 dB setting: 30 Ω or higher


Headphone Output

Headphone output with a 0 dBFS sine wave input:
0 dB setting: 6.8 Vrms +18.9 dBu
-10 dB setting: 
2.2 Vrms +8.9 dBu
-20 dB setting: 0.68 Vrms -1.1 dBu
-30 dB setting: 0.22 Vrms -11.1 dBu

Suggested headphone impedances:
0 dB setting: 200 Ω or higher

-10 dB setting: 30 Ω or higher

-20 dB setting: 10 Ω or higher

-30 dB setting: 4 Ω or higher

Enhance Your Audio With Weiss Engineering's DAC205 Digital to Analog Converter for Superior Performance and Sound Quality

• High-precision conversion technology ensures superior accuracy and clarity
• Equipped with USB, AES/EBU, and S/PDIF inputs for versatile connectivity
• Designed for low distortion and noise
• Sleek, minimalist build, perfect for high-end home audio systems
• Excellent for professional mixing / mastering studio or audiophile-grade listening

A Better DAC for Your System

Expand and improve your existing setup by adding the DAC205 D/A converter. The DAC205 accepts incoming digital audio in the S/PDIF or AES/EBU formats and delivers a pristine analogue output that betters the DACs built into most audio interfaces, CD players, and other devices with digital audio outputs.

Pristine Conversion Quality

The DAC205 accepts incoming digital audio via its S/PDIF or TOSLINK inputs, transparently converts it to analogue audio, and delivers pristine sound via its XLR or RCA outputs. Two different units with digital outputs can be simultaneously connected to the DAC205. The active input is easily selected with the front-mounted input selector switch.

It uses no less than four D/A converters per audio channel, operated in parallel for enhanced signal-to-noise performance. Several signal reclocking schemes are combined to achieve high jitter attenuation.

Multiple Use Cases

The DAC205 is equally suited for a high-end hi-fi setup as in a professional mixing or mastering studio.

Hi-Fi users will typically feed it from the digital output of a playback device such as a CD player or a network player. For professional audio engineers, the input can be fed from an audio interface’s S/PDIF or AES/EBU output.

The common denominator is that the conversion quality of the DAC205 will significantly surpass the DACs built into most such output devices.

DAC205 Comparison

Compared to its larger sibling, the DAC204, the DAC205 offers the same conversion quality. But it does not accept digital audio via USB and does not perform DSD to PCM conversion.

The DAC205 is a relatively affordable option to Weiss Engineering’s higher-grade units, such as the DAC501 and the HELIOS. It has a reduced feature set but offers conversion quality far above competing products in the same price bracket.

Specifications

• Digital Inputs: AES/EBU or S/PDIF on Tousling and RCA sockets
  
• Accepted Formats: 44.1kHz to 192 kHz
• Analog Outputs
  • Line out UnBAL RCA
  • Line out BAL XLR
• Front Panel
  • Power On/Off switch
  • Input selector switch
• Back Panel
  • Digital RCA and TOSLINK inputs
  • Analog XLR and RCA outputs
  • External power supply connectors
  • Two toggle switches for output level setting
• Dimensions: 6.5" x 4.2" x 2.4"
• Power
  • DC input voltage: 6 to 9 Volt
  • DC input current: 900mA at 6V, 600mA at 9V
• DAC205 User Manual

The DAC204 is the Swiss Army Knife of Digital-to-Analog Converters in Weiss Engineering’s Line Up

• Easy switching between multiple digital outputs including a computer or mobile
• Pristine, low-jitter conversion to analog audio
• Convert DSD audio to PCM with digital output in AES/EBU
• Excellent for professional mixing / mastering studio or audiophile-grade listening
• Employs no less than 4 oversampling sigma-delta DACs per channel

Cover All your Bases

The DAC204 is a multi-format digital-to-analogue and digital-to-digital converter. Its many input and output options make it equally useful for use in a professional mixing or mastering studio as for an audiophile-grade listening room.

It employs no less than four oversampling sigma-delta D/A converters per channel, operated in parallel for enhanced signal-to-noise performance.

Digital Accepted Here

The DAC204 accepts incoming digital audio streams straight from any USB-equipped computer, tablet, or mobile phone. It can also receive S/PDIF and AES/EBU audio via its S/PDIF or Toslink connectors.

Outgoing Audio

The DAC204 converts the incoming digital streams to analogue audio, which simultaneously appears on its balanced XLR connectors and unbalanced RCA connectors.

It can also perform digital-to-digital conversion and output digital audio in AES/EBU or S/PDIF formats through the corresponding connectors and a BNC output connector.

Should the incoming audio be in DSD format, the DAC204 can convert that to PCM.

Stay Connected

The DAC204 can be permanently connected to multiple digital units, and the user can easily switch between them with the front-mounted Input Selector switch.

Product Comparison

The DAC204 is the bigger sibling to the DAC205. The two units offer the same conversion quality, but the DAC204 has a USB input and can convert DSD to PCM audio.

The DAC204 and DAC205 are relatively affordable options to Weiss Engineering’s higher-grade units such as the DAC501 and the HELIOS. They do not have the onboard digital processing capabilities of those units, nor do they include headphone outputs or remote controls.

Specifications

• Digital Inputs
  • USB
  • (x2) AES/EBU or S/PDIF on Toslink or RCA connectors
• Accepted Formats: PCM 44.1kHz up to 384 kHz, DSD 64x/128x
• Analog Outputs
  • Line out UnBAL RCA
  • Line out BAL XLR
• Front Panel
  • Active Input Selector switch (USB, Toslink, or RCA)
  • (x2) switches for DSD to PCM conversion settings
  • Power on/off switch
• Back Panel
  • Digital USB, RCA, and Toslink inputs
  • Digital AES/EBU on stereo XLR, RCA, and BNC outputs
  • Analog XLR and RCA outputs
  • (x2) Toggle switches for output level setting
  • External power supply connector
• Dimensions: 6.5" x 4.2" x 3.8"
• DAC204 User Manual

If you have the original version of the Weiss DAC501 or DAC502, you can upgrade to the MK2 board, which provides improvements to the stereo performance and adss of 4 channel playback support.

To have the upgrade done:

1. Place an order for this item on our website.
2. We'll reach out and provide a shipping label to send your DAC to us.
3. Meanwhile, we'll request an upgrade board from Weiss (all upgrades are done 1-to-1 with each upgrade board being matched to your unit.)
   
4. Once we receive the board from Weiss, we'll perform the hardware upgrade and the necessary software update.
5. After testing that the upgrade was properly completed, we'll send the unit back to you.

Please email or message us if you have any questions!