Pre Box S2 Digital – Edition 23


Improved 2023 edition of a Pro-Ject Classic

  • NEW powerful headphones output
  • NEW analogue output stage
  • NEW Redesigned discrete clock
  • NEW Internal power supply design
  • NEW Jitter below 100 Femtoseconds
  • Made in Europe

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The even better Pre Box S2.

The Pre Box S2 Digital – since its release back in 2017 – has quickly ascended to an exceptional status in the DAC market and gained a reputation among digital and PC-audio enthusiasts for its remarkable ability to compete way above its price point.

This achievement can be attributed to a combination of factors, including a custom and proprietary clock design, meticulous PCB layout featuring separate power supplies, dual differential ESS DACs, and an exclusive proprietary digital filter designed to deliver pristine and transparent transient response. 

The ultimate Dream Team.

This EISA AWARD winning duo is the perfect choice for every situation. The Stream Box S2 ultra is fully remoteable via smart devices and a regular web-browser. It offers support for the most popular streaming services: Spotify, TIDAL, Qobuz, HRA Streaming.These services offer you a sheer endless amount of music, guaranteeing you, that you never run out of music to listen to.


Buy the Pre Box S2 Digital Edition 23 and Stream Box S2 ultra for a special price of 999€!
(USB A to USB B cable not included)

Add both to your cart and the discount will be applied automatically!

Digital inputs1x USB (B), 1x Co-axial (RCA), 1x Optical (TOSLink)
D/A-converter2x ESS9038Q2M 32-bit
USBup to DSD512 (DSD1024), PCM up to 32b/768kHz
OpticalPCM up to 24b/192kHz
CoaxialPCM up to 24b/192kHz
Filter settings7 different selectable on front
Frequency response20 Hz – 20 kHz
Analogue outputs6.3mm Headphone (front), 1x Variable Out (RCA
Output voltage2.05 Veff
Minimal recommended headphone impedance8 Ohm
Headphone output power6.6 mW / 600 Ohm; 100 mW / 32 Ohm
THD0.0003% @ 0 dB, 2V RMS, 1 kHz
Dynamic range124 dBA
Outboard Power supply5V/1A DC (included)
Dimensions W x H x D103 x 37 x 122 mm (including knob and connectors)
Weight366 g (without power supply)