What does it have?
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 RAAT Ready and certified
CD ripping (requires external USB CD drive)
HDMI video output
Ethernet and WiFi connectivity
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.
Got a mighty digital library at home?
The Stream Box S2 Ultra can also handle music from USB hard drives, NAS drives and your PC’s library — connect to the Micro-USB In, and it’ll even clean up USB noise from your PC in the process, giving your collection an extra clarity you never knew you could have. No need to worry about file compatibility, either — the Stream Box S2 Ultra supports almost any file type that your DAC does, even very high-resolution file types like 352.8kHz PCM and DSD256. If your DAC is MQA-enabled, the Stream Box S2 Ultra can pass-through MQA signals without alteration, for exact unfolding by your DAC. The Net/PC button also allows for a PC or Server to be directly connected via USB – benefiting from the same USB detox process without the need to send signals over a wireless or wired network.
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




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