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Pro-Ject Stream Box S2 Ultra

739,00 €


Audio optimized network bridge and USB detox device

* Vaaditut kentät

739,00 €

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View FileDatalehti Stream Box S2 Ultra    Size: (1.02 MB)
View FileKäyttöohje Stream Box S2 Ultra    Size: (634.34 KB)
View FileStereoplay testilyhennelmä    Size: (1.1 MB)
View FileHificritic testilyhennelmä    Size: (765.25 KB)
View FileSoundStages testilyhennelmä    Size: (848.12 KB)
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View FileFWD testilyhennelmä    Size: (985.43 KB)
View FileHifinews testilyhennelmä    Size: (1.01 MB)




"  Tarvitaanko maailmaan todellakin vielä yksi striimeri? Ehkei, mutta Stream Box S2 Ultra tarjoaakin paljon enemmän. Oikeastaan kyseessä on tehokas verkkosilta, joka reitittää musiikkia lukuisista eri lähteistä. Liitä vain da-muunnin mukaan, ja Stream Box S2 Ultra toistaa musiikkia kovalevyltä usb-a-liitännän kautta, bluetooth aptx:llä, verkon suoratoistopalveluista, kuten Tidal, Spotify, Shoutcast, tai dlna- tai wifi-liitännäisiltä nas-asemilta. Laite on Roon Ready, ja mukana on myös hdmi-lähtö. Kätevä ohjainsovelluskin löytyy Android- ja iOS-laitteille, ja kehittyneempi käyttäjä voi jopa räätälöidä systeemin omiin tarpeisiinsa. Resoluutiotakin piisaa aina 352,8 kilohertsiin ja 32 bittiin sekä dsd256:een saakka, joten laite on varma valinta myös tulevaisuudessa."



Audio optimized network bridge and USB detox device


We live in a modern world!

With the gaining ground of internet streaming services, such as TIDAL or Spotify, the consumer‘s interest has shifted towards network enabled devices. Many great sounding products though do not offer any network ability, either because they are too old or their main focus was not on this subject. The solution has often been to replace them with a new and modern device, stream audio via Bluetooth or to comprimise and use a smartphone or tablet via their analogue ouput to feed active speakers or amplifiers.
There never was a really good solution for the consumer. Untill now.


Stream Box S2 Ultra: the smart addition

Stream Box S2 Ultra closes the gap, it offers modern connectivity with its network inputs and USB A output. This USB output is perfectionized for audio signals, it uses a dedicated internal power supply and only top audiophile grade components. You won‘t run into file-support issues, as Stream Box S2 Ultra acts as a network bridge, bypassing the files directly to your digital to analogue converter. Since most DACs only have one USB input, we have designed Stream Box S2 Ultra also to be a USB detox device. Simply connect your PC to the micro USB input of the unit and connect our DAC to the audio output. This way you can clean the noisy signal of your PC, while enjoying your music with it.
Our new remote control iOS and Android App is based on an opensource project and has a large community behind it. This guarantees full support and future improvements.


Stream Box S2 Ultra: feature galore!

Stream Box S2 Ultra is fully remoteable via smart devices and a regular web-browser. It offers support for the most popular streaming services: Spotify and TIDAL. Both services offer you a sheer endless amount of music, guaranteeing you, that you never run out of music to listen to. By implementing Shoutcast, we also give you the option to listen to various internet radio stations. You can listen to your favourite radio shows, the news and discover new channels from all around the world – with just a few clicks.

The back-sided HDMI video output lets you connect your monitor to the Stream Box S2 Ultra. It will then show you the graphic user interface, ready to act on your commands. With the implementation of Shairport we were even able to give the iDevice users out there another possibilty to send data to our Stream Box S2 Ultra.

There are two USB inputs on Stream Box S2 Ultra, one front sided and one back sided. Both give you the possibi-lity to connect an external harddrive to the unit. Via one of the various control scenarios (App, Webbrowser, external monitor) you can pick from your own selection of audio. The file system support goes up to PCM 32bit / 352.8 kHz and DSD256.

Here at Pro-Ject, we are big supporters of the Roon software, that is why we wanted the Stream Box S2 Ultra to be Roon Ready. This way you can simply pick your Stream Box S2 Ultra in the Roon interface and send bit-perfect audio streams to it over your network.

This incredible feature set makes Stream Box S2 Ultra bullet-proof for all future events. Together with Pre Box S2 Digital they become the most versatile and audiophile set in its price class.




  • High resolution network bridge
  • Audio optimized USB A output
  • Multi-room enabled
  • Dual USB A input for external storage
  • TIDAL supported
  • Spotify Connect
  • Network-enables any modern DAC with USB input
  • Internet Radio
  • DLNA enabled
  • Bypasses all audio formats to the DAC
  • Cleans up the audio signal from a PC
  • Roon Ready (in progress)
  • Shairport
  • Bluetooth
  • Uses dedicated power supplies
  • HDMI video output
  • Controllable via smart devices and PC/Laptop
  • New control app!
  • Ethernet and WiFi connectivity


Technical Specifications

Audio Formats PCM 32bit/352.8kHz, DSD256
Internet Radio Shoutcast
Streaming Services TIDAL, Spotify
Supported data protocols RAAT, Shairport, DLNA
Multi-room Up to six devices
Inputs 2 x USB A
  Micro USB B (PC-Detox)
  Network (Ethernet, WiFi)
Outputs Audio optimized USB A
  HDMI (video)
Controllable via App, Web Browser, Roon
Weight 375 g (without power supply)
Dimensions 105 x 37 x 105 mm (WxHxD)
Valmistaja Pro-Ject Audio Systems, Itävalta
Takuuaika kk 24
Nettopaino 0.375 kg ilman virtalähdettä

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