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Pro-Ject Pre Box S2 Digital - Black

3.9 out of 5 stars 67 ratings

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  • The new Pre Box S2 Digital compact preamplifier/DAC with MQA and DSD512 support marks a new era for Pro-Ject's renowned S-series components.
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From the manufacturer

pj

A performance revolution in a small package!

Pre Box S2 Digital, our flagship of the S2-series. For the very first time we are using a dual mono configuration with the highest class D/A converters of ESS Sabre. Their flagship DAC-chip ensures highest class audio in a small and affordable package. This DAC is capable of high resolution audio up to 32bit/768kHz PCM and DSD512! Pre Box S2 Digital is also the very first of our devices to support hardware MQA unfolding. It’s also the premiere of our proprietary Optimum transient digital filter and our proprietary clock circuitry design. Digital audio is the art of time, with our designed proprietary clock we have managed jitter rates of unrivalled 100 Femtoseconds, this easily outperforms many renowned and respected audiophile clock generators!

With organic polymer capacitors and thin film miniMELF resistors we were able to create a tiny device that will blow away even much bigger components for a much higher budget. With a total of eight digital filters the sound can be shaped precisely to the listeners liking. Pre Box S2 Digital is fully remoteable, it can also control the playback software of a computer. You can use Play, Pause, Forward and Rewind straight with your Pre Box S2 Digital!

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Highlights:

  • Dual mono construction
  • High end ESS Sabre ESS9038 dual DAC
  • Proprietary clock circuity design
  • Organic polymer capacitors and thin film miniMELF resistors
  • Up to 24bit/192kHz for optical & coax inputs
  • Synchronization of all internal oscillators
  • Jitter as low as 100 Femtoseconds!
  • Gold plated four layer PCB
  • Full alu/metal sandwich casing in silver or black

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Technical Specifications:

Digital inputs: 1x USB (B), 1x Co-axial (RCA), 1x Optical (TOSLink)

D/A-converter: 2x ESS9038Q2M 32-bit

USB: up to DSD512 (DSD1024), PCM up to 32b/768kHz

OpticalPCM: up to 24b/192kHz

CoaxialPCM: up to 24b/192kHz

Filter settings: 7 different selectable on front

Frequency response: 20 Hz - 20 kHz

Analogue outputs: 6.3mm Headphone (front), 1x Variable Out (RCAOutput voltage 2.05 Veff

Minimal recommended headphone impedance: 8 Ohm

Headphone output power: 6.6 mW / 600 Ohm; 68 mW / 32 Ohm

THD: 0.0003% @ 0 dB, 2V RMS, 1 kHz

Dynamic range: 124 dBA

Outboard Power supply: 5V/1A DC (included)

Dimensions W x H x D: 103 x 37 x 122 mm (including knob and connectors)

Weight: 366 g (without power supply)

Product description

A Performance Revolution in a Small Package! The Pre Box S2 Digital marks a new era for Pro-Ject's S-series components; for the very first time they are using a dual mono configuration with the highest class D/A converters of ESS Sabre whose flagship DAC chip ensures highest class audio in a small and affordable pack-age. This DAC is capable of high resolution audio up to 32bit 768kHz PCM and DSD512. The Pre Box S2 Digital is also the very first of Pro-Ject's devices to support hardware MQA unfolding via USB. Its also the premiere of the manufacturer's proprietary Optimum transient digital filter and the proprietary clock circuitry design. With organic polymer capacitors and thin film miniMELF resistors Pro-Ject was able to create a tiny device that will blow away even much bigger components for a much higher price. With a total of seven digital filters the sound can be shaped precisely to the listeners liking. The Pre Box S2 Digital is fully remoteable it can also control the playback software of a computer. You can use Play Pause Forward and Rewind straight with your Pre Box S2 Digital! Features Dual mono construction High end ESS Sabre ESS9038 dual DAC Proprietary clock circuitry design Organic polymer capacitors and thin film miniMELF resistors MQA hardware decoding (USB only) DSD64 DSD128 DSD256 DSD512 (DSD over PCM) Up to 24bit/192kHz for optical coax inputs 7 selectable digital filter characteristics 1 proprietary optimum transient digital filter Headphone output on the front (6.3mm) Synchronization of all internal oscillators Jitter as low as 100 Femtoseconds! Gold plated four layer PCB What's in the Box: Pre Box S2 Digital Preamplifier Power supply Specifications 3 digital inputs1x coax (S/PDIF) 1x optical (TOSlink) USB B D/A-converter2x ESS9038Q2M 32-bit PCM 768kHz/DSD512 Headphone amplifier chip: ESS9602 Sampling rates: 32/44.1/48/88.2/96/176.2/182/352.8/384/768kHz DSD support: DSD64 DSD128 DSD256 and D


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3.9 out of 5 stars
3.9 out of 5
67 global ratings
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Reviewed in the United States on March 5, 2018
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analogue2003
4.0 out of 5 stars I had an intermittent problem, so returned and was refunded
Reviewed in the United Kingdom on April 2, 2020
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Dominik Dazinger
5.0 out of 5 stars Top Dac zu einem fairen Preis
Reviewed in Germany on January 11, 2018
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17 people found this helpful
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Mb
5.0 out of 5 stars Ein großer Wurf......
Reviewed in Germany on January 22, 2018
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12 people found this helpful
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Roybos69
3.0 out of 5 stars gut aber viel zu teuer
Reviewed in Germany on August 11, 2018
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UrieleJH
4.0 out of 5 stars rapporto prezzo/qualità/componentistica TOP.
Reviewed in Italy on September 1, 2019
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