MQA Decoding, Dual-Mono Design, and High-Res 32-Bit/768kHz and DSD512 Ability: Incredible-Sounding Pro-Ject Pre Box S2 DAC Features Dual Sabre DAC Chips, Proprietary Filter and Clock

Featuring dual-mono configuration and dual ESS Sabre 9038 chips, the Pro-Ject Pre Box S2 MQA DAC brings high-end MQA decoding and immersive audiophile fidelity to the table for a stunningly modest price. Able to support up to high-resolution 32-bit/768kHz PCM and DSD512, Pre Box S2 comes equipped with Pro-Ject’s proprietary Optimum transient digital filter and clock circuitry. The latter boasts jitter rates of 100 Femtoseconds and outperforms competing products costing three times as much. Its passively filtered USB output drops the noise floor to near-inaudible levels. Organic polymer capacitors, thin film mini MELF resistors, a gold-plated four-layer PCB, vibration-resistant metal housing, and a total of seven selectable digital filters further contribute to its mesmerizing sound. Just wait until you hear your favorite music with the detail, dynamics, imaging, separation, and soundstaging Pre Box S2 delivers. It’s breathtaking. The ultra-compact Pre Box S2 can also double as a preamplifier and comes with three digital inputs and a headphone output. You can control it all with your fingertips or with the optional Control It remote control. This is one mighty mini—100% Music Direct Guaranteed.

“For the price, its sound performance is impeccable, combining clarity and precision with an attractive warmth and impressive sense of space.”
– Hi-Fi News

"With an open and expressive nature, and supreme versatility, the Pre Box S2 Digital sounds bigger and bolder than it looks – making it great affordable hi-fi."
– EISA, Best DAC/Headphone Amplifier Product Award, 2017-2018