Suitable for high-resolution Audio

Pro-Ject DAC Box RS  

High-End Digital/Analogue Converter with DSD & USB 2.0  


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open page Specifications       PDF Productinfo [pdf, 505 KB]       PDF User Manual [pdf, 700 KB]       

• Double top grade PCM-1792 D/A chip from Texas Instruments  

• 9 Inputs: USB, AES-EBU, optical (Toslink), coax (S/PDIF)  

• 24bit/192kHz asynchronous USB (XMOS technology)  

• DSD (up to DSD128) capability (DSD over PCM)  

• IēS interface for CD Box RS (sonic2data transfer technology) with additional clock synchronisation port (BNC)  

• 2 selectable digital filter settings  

• Fully balanced analogue audio circuitry  

• Tube output stage & solid-state output stage (switchable)  

• Ultra linear & ultra low noise circuitry  

• IR remote control included  

• XLR & RCA line level output sockets  

• DC power supply (< 1 watt standby power)  

• Full metal casing in silver or black  


DAC Box RS - ultimate state-of-the-art audio converter!  


The advanced DAC Box RS is a reference-class D/A converter for all kinds of digital stereo sound sources. It superbly acts as a superior USB audio interface for demanding computer audio, also features AES/EBU input and IēS interface for use with CD Box RS. For the engaged audiophile we provide full DSD capability (up to DSD128) over PCM. All inputs fully support 24/192kHz HD music data (optical inputs 96/24) in fully asynchronous mode.  

Additionally DAC Box RS incorporates a pair of the best audio grade DAC chips, PCM 1792, which only can be found in expensive high-end designs. 2 different digital filter settings are selectable to meet your favourite sound preferences. Additionally we realized that its also depending on customers taste and type of music/recording, what technology for the outputstage is preferable. More warm and relaxed sounding with Tubes or Solid State Class A with limitless details and dynamics. The DAC Box RS has both options to select!  

The whole audio circuitry design is ultra low noise and ultra linear with very low output impedance to avoid any negative interference with cables or pre-amps. Due to its class-leading audio performance DAC Box RS is an ultimate high-end bargain!  


SRP: € 899,00  


Recommended accessories:  



Control it DS/RS


Sound optimzation  

The addition of linear power supply Power Box RS Uni 1-way (SRP € 399,00) or Power Box RS Uni 4-way
(SRP € 599,00) adds even more depth and lets you hear all microscopic fine detail.  

Power Box RS Uni 1-way

Power Box RS Uni 4-way

CAUTION: Please check the power connection of your DAC Box RS on the rear side. In case of an 18V 2.5 connection, a Connect It Power MiniXLR 18V 2.5 adapter cable is necessary to power the unit with a Power Box!  





Hi-Fi Choice 01/2016  

HIGH & Style 03/2015  

Fidelity 12/2014  

Stereoplay 05/2014  




Computerconfiguration for DSD playback  



FAQ - Hints for using DAC Box RS  


Q: Does the device support Windows 10?  

A: The device is fully compatible with Windows 10. It may be necessary to reinstall latest drivers after updating from Windows 7/8/8.1 to Windows 10.  


Q: Does a driver exist for Mac OSX- or Linux-Systems?  

A: You do not need a driver. The driver is already integrated in the operating system.  


Q: DAC Box RS will not be recognized by Mac OSX and is not available under Audio. What can I do?  

A: Turn off your Computer and press at start alt+cmd+p+r until another starting sound appears. With this command the USB bus will be reset and the DAC Box RS will be recognized new.  


Q: DAC Box RS will not be recognized by Mac OSX (El Capitan) or does not output sound.  

A: There are many forum reports about that issue. It is a widely spread error affecting a wide array of USB DACs, unfortunately there is no current fix for this problem, since it lies in the Core Audio of Apple's OSX. We advice not to use our USB DACs with OSX El Capitan.  


Last update 18.07.2018

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