Pro-Ject Pre Box DS2

Digital Preamplifier

Item #PRO:PREBOXDS2-BLK
Pro-Ject Item # PRO2040021

Pro-Ject Pre Box DS2

Digital Preamplifier

$499.00
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Overview

The advanced Pre Box DS2 digital is a universal and very flexible pre-amplifier and D/A converter of the highest class. The built-in D/A converter AK4490, from high-end manufacturer Asahi Kasai Microdevices, has five different digital filters which let you shape the sound to your preference. It offers full DSD256 support and upsampling of all input signals to 768kHz from USB, coaxial and optical inputs. This realizes high-resolution sound playback with a rich sound field and bass representation with less distortion. It features five digital inputs as well as analog line-level input and phono line in. The Bluetooth receiver supports aptX for the best wireless sound conversion. That makes it suitable for any source available. One variable, one fixed analog output and also one to connect the Pre Box DS2 digital to your subwoofer are available. The sample-rate converter (AK4137) features three different settings (sound modes). All that makes the Pre Box DS2 digital the most versatile audiophile pre-amplifier D/A converter in its price range!

  • Phono stage (MM/MC), Line In on board
  • 5 digital Inputs: 1x USB, 2x optical, 1x coax, 1x Bluetooth (aptX)
  • DSD64, DSD128 & DSD256 (DSD over PCM)
  • Up to 24bit/192kHz for optical & coax inputs
  • 5 selectable digital filter characteristics
  • 3 selectable sound modes
  • Headphone output on the front (6.3mm)
  • High-end ultra-low phase oscillator with superior noise rejection
  • RCA line-level solid-state analog output stage
  • Ultra linear & ultra-low-noise circuitry
  • Full alu/metal sandwich casing in silver or black
Details & Specs
  • 2 analog inputs: 1x Line In (RCA), 1x Phono Line In (RCA)
  • 5 digital inputs: 1x coax (S/PDIF), 2x optical (TOSlink®), USB B, Bluetooth(aptX)
  • D/A-converter: AK4490 32-bit PCM 768kHz / DSD256
  • Sampling rate converter: AK4137EQ upsampling to 768kHz
  • Sampling rates: 32/44,1/48/88,2/96/176,2/192/352,8/384/768 kHz
  • DSD support: DSD64, DSD128, and DSD256
  • Filter settings: 5 different selectable on the front
  • Frequency response: 20Hz - 20kHz (+0/-1dB)
  • Analogue out: 6.3mm Headphone Out (front), 1x Sub Out, 1x Fix Out (RCA), 1x Variable Out (RCA)
  • Output voltage: 2,2 Veff (switchable +6dB gain gives 4,4 Veff )
  • THD: 0,00085%
  • Crosstalk: -117dB (10kHz@0dB)
  • Signal to noise ratio: 113dB (20 - 20.000 kHz)
  • Power consumption: < 1-watt standby, 600mA max
  • Outboard Power supply: 18V/1000mA DC (included)
More Information
UPC 844682009063
Total Harmonic Distortion 0.00085%
Signal To Noise Ratio 113dB (20 - 20.000 kHz)
Frequency Response 20Hz - 20kHz (+0/-1dB)
Inputs 1x Line In (RCA), 1x Phono Line In (RCA), 1x coax (S/PDIF), 2x optical (TOSlink), USB B, Bluetooth(aptX)
Outputs 6.3mm Headphone Out (front), 1x Sub Out , 1x Fix Out (RCA), 1x Variable Out (RCA)
Max Power Consumption 600mA max
Power Supply <1 watt standby, 600mA max
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