The Pro-Ject Stream Box S2 Ultra is an audiophile-grade network bridge designed to elevate your digital streaming experience. It connects to external DACs and supports TIDAL, Spotify, Roon Bridge, DLNA/UPnP, and more. Features include dual USB ports, Ethernet, Wi-Fi connectivity, HDMI output for UI, and noise-filtering circuits for enhanced sound performance.

Technical Specifications – Pro-Ject Stream Box S2 Ultra

• Audio Formats: PCM 32bit/352.8kHz, DSD256
• Streaming Services: TIDAL, Spotify, Qobuz
• Internet Radio: Shoutcast
• Supported Data Protocols: RAAT, Shairport, DLNA
• Multi-room: Up to six devices
• Inputs:
  – 2 × USB-A (for external storage)
  – Micro USB-B (for PC connection)
  – Network (Ethernet, Wi-Fi)
  – Bluetooth
• Outputs:
  – Audio optimized USB-A
  – HDMI (video only)
• Controllable via: App, Web Browser, Roon
• Internal Memory: 16 GB
• Wi-Fi Standards: IEEE 802.11 b/g/n/d/e/h/i
• Bluetooth: Bluetooth Classic + EDR v2.1, v3.0, v4.0 and Low Energy
• Power Supply: 18V / 1A DC (included)
• Weight: 375 g (without power supply)
• Dimensions (W × H × D): 105 × 37 × 105 mm