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Project Pre Box DS2 Digital PreAmplifier with USB, Optical, CoAxial and Bluetooth. Available with Online Finance and Free Delivery.

The advanced Pre Box DS2 Digital is an universal and very flexible pre-amplifier and D/A converter of 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 analogue line level input and phono line in. The Bluetooth receiver supports aptX for best wireless sound conversion. That makes it suitable for any source available. One variable, one fixed analogue output and also one to connect the Pre Box DS2 Digital to your subwoofer are available. The samplerate 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)  
• Top grade AK4490 D/A chip (32-bit PCM 768kHz / DSD256)  
• Up to 32bit/768kHz asynchronous USB (XMOS technology)  
• 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 analogue output stage  
• Ultra linear & ultra low noise circuitry  
• Full alu/metal sandwich casing in silver or black with wood side panels

Technical data

2 analogue inputs 1x Line In (RCA), 1x Phono Line In (RCA)
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 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)
Dimensions W x H x D 240 x 72 x 200 (Wood)
Weight 1780g (Wood) without powersupply




Pro-Ject Pre Box DS2 Digital Pre Amplifier with USB and Bluetooth


  Finance From £18.47 a month (APR 19.90%)

  Delivery Standard Shipping and Click & Collect  

  Payment Secure payment available  


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