• Pro-Ject Pre Box S2 Digital
  • Pro-Ject Pre Box S2 Digital
  • Pro-Ject Pre Box S2 Digital
  • Pro-Ject Pre Box S2 Digital

Pro-Ject Pre Box S2 Digital

SKU: Pro-Ject Pre Box S2 Digital.
The Pro-Ject Pre Box S2 Digital Preamplifier is a compact high-end DAC, headphone amplifier, and digital preamplifier built for audiophiles who want exceptional sound quality in a minimalist desktop setup. It uses dual ESS Sabre DAC chips in a dual-mono configuration to deliver ultra-clean, detailed, and highly accurate sound reproduction. Supporting PCM up to 32-bit/768kHz, DSD512, and full hardware MQA decoding, it is designed for modern high-resolution digital playback. With multiple digital inputs, a front-panel headphone output, OLED display, and precision volume control, the Pre Box S2 Digital is ideal for premium headphone listening and refined hi-fi systems.
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Description

 It is a compact yet powerful high-end DAC, headphone amplifier, and digital preamplifier designed for audiophiles who demand reference-grade sound quality in a minimalist setup. Built with dual ESS Sabre ESS9038Q2M DAC chips in a dual-mono configuration, it delivers exceptional clarity, ultra-low distortion, and precise stereo imaging for a true high-fidelity listening experience. It supports PCM playback up to 32-bit/768kHz, native DSD512, and full hardware MQA decoding, making it ideal for high-resolution streaming, studio playback, and serious headphone listening. With USB-B, optical, and coaxial digital inputs, along with RCA variable output and a front-panel 6.3mm headphone jack, it integrates seamlessly into both desktop and full hi-fi systems.

Key Features

  • Dual ESS Sabre DAC Chips – Uses dual ESS9038Q2M DACs in dual-mono design for improved channel separation and precise analog conversion.
  • Ultra-High Resolution Playback – Supports PCM up to 32-bit/768kHz and native DSD512 playback for true studio-grade digital audio.
  • Full Hardware MQA Decoding – One of Pro-Ject’s first devices with complete MQA hardware unfolding for premium streaming playback.
  • Built-in Headphone Amplifier – Features a front-panel 6.3mm headphone output with dedicated volume control for high-quality personal listening.
  • Multiple Digital Inputs – Includes USB-B, optical (TOSLINK), and coaxial S/PDIF inputs for flexible connectivity.
  • 7 Selectable Digital Filters – Allows listeners to fine-tune sound character according to personal listening preferences.
  • OLED Display & Precision Control – Clean front-panel display with menu navigation and accurate volume adjustment for user-friendly operation.
  • Low-Jitter Clock Design – Proprietary clock circuitry with extremely low jitter performance for cleaner signal timing and improved sonic precision.
  • Premium Internal Components – Uses organic polymer capacitors and thin-film miniMELF resistors for refined performance and long-term stability.
Perfect for audiophiles, desktop hi-fi systems, headphone enthusiasts, and music lovers seeking premium digital playback with exceptional detail, warmth, and musical accuracy.

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