Pro-Ject Audio Systems
Pro-Ject Stream Box S2 Ultra Bit-Perfect Network Streamer - Clearance
Pro-Ject Stream Box S2 Ultra Bit-Perfect Network Streamer - Clearance
Pro-Ject Stream Box S2 Ultra Bit-Perfect Network Streamer - Clearance
Description
The Pro-Ject Stream Box S2 Ultra is a compact bit perfect network streamer designed to elevate any modern digital to analog converter with USB input. Its audio optimized USB A output, clean internal power supply, and high quality components deliver a low noise digital signal that preserves detail and clarity. It streams high resolution audio, integrates seamlessly with popular services, and can also act as a USB detox device for PC audio setups.
As a network bridge, Stream Box S2 Ultra supports high resolution PCM up to 32 bit and DSD256, sending the digital signal directly to your DAC without alteration. With Ethernet and WiFi connectivity, multi room support, Roon readiness, and control through the Pro Ject Play app, it is an easy addition to any modern system.
Optimized Digital Streaming
Stream Box S2 Ultra uses an audio dedicated USB output designed to reduce noise and improve signal integrity. This ensures your DAC receives a clean and stable digital signal, allowing it to perform at its full potential. With two USB A ports for external storage and full support for high resolution formats, it offers flexibility for both local and network based libraries.
USB Detox Mode
Many DACs have only one USB input. Stream Box S2 Ultra includes a micro USB PC Detox input that allows it to filter, stabilize, and clean the digital signal from a computer before sending it to your DAC. This provides a significant improvement for listeners who rely on PC based playback.
Streaming and Control
Stream Box S2 Ultra supports Tidal, Qobuz, Spotify, high resolution streaming platforms, DLNA, and TuneIn internet radio. It is Roon Ready and can also be controlled through the Pro Ject Play app for iOS and Android, or through any web browser. Multi room playback is supported for up to six devices.
Build and Design
The enclosure is made with high quality components and a dedicated power supply for clean digital performance. HDMI output is included for video use. All units are handmade in Europe and built for long term reliability.
Technical Specifications
| Internal Memory | 16 GB |
| Audio Formats | PCM up to 32 bit 352.8 kHz, DSD256 |
| Internet Radio | Shoutcast |
| Data Protocols | RAAT, Shairport, DLNA |
| Multi Room | Up to six devices |
| Inputs | 2 x USB A, Micro USB B for PC Detox, Ethernet, WiFi, Bluetooth |
| Supported WiFi Standards | 802.11 b g n d e h i |
| Bluetooth | Classic + EDR v2.1, v3.0, v4.0, Low Energy |
| Outputs | Audio optimized USB A, HDMI |
| Power Supply | 18 V 1 A DC (included) |
| Weight | 0.375 kg |
| Dimensions | 10.5 x 10.5 x 3.7 cm |
What is in the Box
- Pro-Ject Stream Box S2 Ultra
- 18 V 1 A DC power supply
- WiFi antenna
FAQ
Does Stream Box S2 Ultra support high resolution audio
Yes. It supports PCM up to 32 bit 352.8 kHz and DSD256 when used with a compatible DAC.
Does it work with Roon
Yes. Stream Box S2 Ultra is fully Roon Ready and certified.
Can I use it to improve audio from my computer
Yes. The PC Detox mode cleans and stabilizes the USB signal before sending it to your DAC.
Which streaming services are supported
Tidal, Qobuz, Spotify, TuneIn internet radio, DLNA sources, and local USB storage.
Does it upscale or alter the audio signal
No. The unit is bit perfect and passes all audio formats directly to the DAC without processing.
Can I use it with any DAC
Yes. Any DAC with a USB input can be used with Stream Box S2 Ultra.
Reviews
