Pro-Ject Stream Box S2 Ultra Network Audio Bridge

Stream Box S2 Ultra

Connect the Stream Box S2 Ultra to your system via USB to enjoy all the quality and convenience of high-resolution audio streaming.

The Stream Box S2 Ultra has everything you could want ready to go: listen to TIDAL, Spotify and internet radio via Shoutcast, or stream your local music files directly using the smartphone app.

Want to stream from your iOS device? The Stream Box S2 Ultra even has Shairport (AirPlay) built-in! Plus, it’s Roon Ready, to help you integrate even more gear into your whole-home audio system.

Designed by the Master

Designed by hi-fi legend John Westlake, the Pro-Ject Stream Box S2 Ultra is a simple, effective way to link your traditional hi-fi with your digital music, adding a host of features and sources that come neatly packaged in a palm-sized chassis.

The Perfect Pair

We recommend pairing the Pro-Ject Stream Box S2 Ultra with the world's smallest MQA unfolding DAC, the Pro-Ject Pre Box S2 Digital.

This award winning combination will bring any age of amplifier into the 21st century. Allowing you to unlock technology like Roon, TIDAL, Spotify, MQA, Hi-res streaming on your older amplifier for the very first time.

Award-Winning Design

Think of it as a powerful network bridge that routes your music from a multiplicity of sources. Just plug in a DAC and the Stream Box S2 Ultra plays music from a hard disk via its USB-A inputs, Bluetooth aptX and online streaming services such as TIDAL, Spotify and Shoutcast, plus DLNA or Wi-Fi-connected NAS drives.

It’s Roon Ready and there’s also an HDMI video output. There’s also a handy control app for iOS and Android, and savvy users can even customise the system to their needs. Working at up to 352.8kHz/32-bit PCM and DSD256, it’s future-proofed, too.

- EISA, Expert Imaging & Sound Association

Features

High resolution network bridge

Audio optimised USB A output

Multi-room enabled

Dual USB A input for external storage

TIDAL, Spotify, Internet Radio, Bluetooth & High Res Audio Streaming

Network-enables any modern DAC with USB input

Cleans up the audio signal from a PC

Fully Roon Ready and certified

CD ripping (requires external USB CD drive)

HDMI video output

Ethernet and Wi-Fi connectivity

Specifications

Audio Formats PCM 32 bit/352.8 kHz, DSD256

Internet Radio TuneIn

Streaming Services TIDAL, Spotify, Qobuz

Supported Data Protocols RAAT, Shairport, DLNA

Multi-Room Up to Six Devices

Inputs 2 x USB A, Micro USB B (PC-Detox), Network (Ethernet, Wi-Fi), Bluetooth

Wi-Fi Standards 802.11 b/g/n/d/e/h/i

Bluetooth Bluetooth Classic + EDR v2.1, v3.0, v4.0 and Low Energy

Outputs Audio Optimised USB A, HDMI (Video)

Control Options App, Web Browser, Roon

Dimension W x H x D 105 x 37 x 105 mm

Weight 375 g (Without Power Supply)