Bluesound Pro BSP 4 Zone Streamer


The Bluesound Professional B400S is a 4-zone network music player designed specifically for use in commercial installations. This 1U player is based on the established BluOS platform and is capable of playing and distributing content from local storage as well as from a large number of streaming services, including some specifically designed for commercial use, such as SoundMachine, Custom Channels, QSIC, SiriusXM Music for Business and Tunify.. These sources can be played to one or more of the four available stereo zones with the B400S effectively acting as four independent players with the capability of completely separate content and control, or grouping into user-definable groups of whatever size required with different zones within the BS400S and/or any other connected Bluesound Professional players on the network.

  • 4 stereo zones of network music replay
  • Integration with local network content storage
  • PC/Mac, iOS/Android and third-party control
  • Security preventing unauthorized control
  • Replay from locally connected USB drives
  • DSP providing for equalization and other audio processing
  • Streaming via ethernet for increased reliability
  • Flexible and unlimited grouping of zones within a BluOS system including within B400S


  • Supported Operating Systems: Plays music from network shares on the following desktop operating systems: Microsoft Windows XP, 2000, Vista 7-10, Apple Macintosh 7-10
  • Free Internet Radio: TuneIn Radio, iHeartRadio, Calm Radio, Radio Paradise, Slacker Radio
  • Supported Cloud Services: Spotify, Amazon Music, TIDAL, Deezer , Qobuz, HighResAudio, Murfie , JUKE, Napster, KKBox, Bugs, Taihe Music ZONE, SoundMachine
  • Integration Partners: Control4, RTI, Crestron, URC, push, iPort, ELAN, Lutron
  • Album Art: JPG


  • Rated Distortion: ≤0.005%
  • Signal-to-Noise Ratio: 110dB
  • Sample Rate: 32 – 192kHz
  • Bit Depth: 16 – 24


  • Analogue: Balanced Phoenix
  • SPDIF: Optical (TOSLINK)
  • USB:
    • Type A (for USB memory stick and supported peripherals – FAT 32 formatted)
    • Type B (for computer audio interface)
  • +12V Trigger IN: Phoenix 12V ±20%
  • IR Input: Phoenix
  • System Interrupt: Phoenix- Pin 1, 12V, Pin 2 Input 1, Pin 3 Input 2, Pin 4 GND


  • Analogue: Phoenix X4
  • SPDIF: Optical x 4 (TOSLINK)
  • Coaxial x 4: Coaxial x 4
  • +12V Trigger OUT: 12V ±20%


  • Gigabit Ethernet RJ45


  • AC Power Supply: AC Power Supply
  • Standby Power: 6 W Idle (Network Standby Mode)
  • Dimensions (W x H x D): 480 x 46 x 234mm (18 7/8 x 1 13/16 x 9 1/4”)*
  • Net Weight: 2.7kg (5.9lb)
  • Shipping Weight: 3.8kg (8.4lb)

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