Unique to its class, the Pro-Ject Pre Box S2 Digital dual-mono configuration with the highest class D/A converters by Sabre. Their ESS9038 DAC chips ensure audiophile-grade sound from a compact, affordable design capable of high-resolution audio up to 32bit/768kHz PCM and DSD512.

Among the first of our devices to support hardware MQA unfolding via USB, it also features our proprietary ‘optimal transients’ digital filter and our proprietary clock circuitry design.

Project Pre Box S2 Digital Preamp w/ DAC & Headphone Amp:
Type: Digital Preamplifier with DAC and Headphone Amp

Inputs:
Digital Inputs: 1 x USB-B (PC), 1 x Optical (Toslink), 1 x Coaxial (RCA)
Analog Input: 1 x Stereo RCA

Outputs:
Analog Outputs: 1 x Preamp Output (RCA), 1 x Fixed Line Output (RCA)
Headphone Output: 1 x 6.35mm (1/4") Jack

DAC Section:
DAC Chipset: ESS Sabre (specific model varies)
Supported Formats (USB): Up to 32-bit / 384 kHz PCM, DSD256 (DoP)
Supported Formats (Coaxial/Optical): Up to 24-bit / 192 kHz PCM

Headphone Amplifier:
Output Power: Approx. 400mW @ 32Ω
Output Impedance: Low output impedance (<1Ω)

General:
Power Supply: External 12V DC power adapter (included)
Dimensions (W x D x H): Approx. 100mm x 140mm x 40mm (compact desktop size)
Weight: Approx. 0.5 kg
Remote Control: Optional / Not included (depending on package)