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Pro-Ject Black Digital Audio Converter
Pro-Ject Black Digital Audio Converter 0
Pro-Ject Black Digital Audio Converter 1

Pro-Ject Black Digital Audio Converter

Model #: DAC Box RS-BL
At a Glance
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 I²S interface for use with CD Box RS.
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$99,999.00Save $NaN

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Get to know this product.

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 favorite sound preferences. Additionally we realized that its also depending on customers taste and type of music/recording, what technology for the output stage 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!


  • 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)
  • I²S interface for CD Box RS (sonic2data transfer technology) with additional clock synchronization 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

*Black Color Only, Back Image Is For Visual Purposes Only.

Useful Documents

Technical Specifications

D/A Converter2 x Texas Instruments PCM-1792
Sampling RatesPCM: 24bit/192kHz, DSD: DSD128 (DoP), Optical: 24bit/96kHz
Selectable Filter Settings"steep“ & "optimum phase“
Digital Inputs2 x coax (S/PDIF), 2 x optical (Toslink®), 1 x USB B, 1 x AES/EBU, 1 x I²S
Precision Clock OutputBNC (use with CD Box RS)
Frequency Response20Hz - 50kHz (+0/-1dB)
Output Stages6922 tube and solid state (switchable)
Analog OutputRCA/Cinch & XLR
Output VoltageMax 4V/ 2V (XLR/RCA) at 1k Hz
THD0.005% solid state out; 0.25% tube out
Signal To Noise Ratio100 dB
Power Consumption<1 watt standby, 800/300mA max (tube/solid)
Outboard Power Supply20V/3A DC (included)
Dimensions W x H x D206 x 72 x 210 mm with sockets
Weight1890g without power supply

Misc. Specs

Product Weight (lbs.)2.2300
Depth (in.)7.88
Width (in.)8.11
Height (in.)2.84
Color Finish NameBlack
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