PRO-JECT PRE BOX S2 DIGITAL BLACK 2023 edition

Digital stereo preamplifier with D / A converter. Dual Mono circuit. Double D / A converter Saber ESS9038 32BIT / 768khZ.
Circuit with low noise components. Transient digital filter and proprietary clock circuit.
7 selectable digital filters. 3 digital inputs, coaxial, optical and USB-B, 1 RCA output.
Headphone amplifier with ESS9063 and 6.3mm output. Golden connectors. Dimensions (LxAxP): 103x36x103mm.


Double high end DAC ESS Saber ESS9038
Proprietary clock circuit
Condensers for organic polymers and miniMELF resistors
MQA decoding
DSD64, DSD128, DSD256 & DSD512 (DSD over PCM)
Up to 24bit / 192kHz decoding for optical and coaxial inputs
7 selectable digital filters.
1 "Optimum Transient" digital proprietary filter
Headphone output 6.3 mm
Synchronization of all internal oscillators
Jitter less than 100 Femtoseconds
Gold-plated 4-layer printed circuit board


Technical features:
3 inputs, 1x coax (S / PDIF), 1x optical, USB B
D / A converters: 2x ESS9038Q2M 32-bit PCM 768kHz / DSD512
Headphone amplifier: ESS9602
Sampling rates: 32 / 44.1 / 48 / 88.2 / 96 / 176.2 / 192 / 352.8 / 384/768 kHz
DSD support: DSD64, DSD128, DSD256 and DSD512
MQA support
7 selectable filters
Frequency response: 20Hz - 20kHz
Analogue outputs: 6.3mm headset, 1x RCA variable
Output voltage: 2.05 Veff
Headphone output: 68mW (32Ohms)
THD distortion: 0.0003%
Dynamic range: 124dBA
Power consumption: 5V, micro USB
Dimensions (PxAxL): 103x36x103 mm
Weight: 600g without power supply