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Dual USB Interface and Auto-switcher with 24-bit/192kHz Converters, 8 Balanced Analog Outputs on 1/4" TRS, and DB-25 - Mac
R800 8101
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The Radial SW8-USB is a streamlined solution for employing redundant playback systems on stage, with dual USB inputs that allow you to connect directly to your primary and backup computers, providing eight channels of high quality audio and peace of mind during a live performance.

The all-in-one backing track solution

The SW8-USB is the complete solution for performances that utilize redundant playback systems for backing tracks, combining two built-in high performance USB interfaces with an auto-switching feature that detects dropouts and effortlessly switches to the backup computer in an instant. Dual USB inputs with separate 24bit/192kHz converters allow two computers to be connected in tandem, so digital workstations on both machines can connect to the SW8-USB as an audio and MIDI interface. Start/stop synchronization is also possible between both computers through MTC, ensuring flawless switching between playback rigs with less equipment than ever.

Connecting redundant playback computers

The SW8-USB connects directly to your primary and backup computers over USB, eliminating the need for bulky and expensive audio interfaces. Connect the balanced analog outputs to the PA system and engage the auto-switch mode to instantly switch to the backup system should an error occur. An optional JR-2 footswitch can be employed to manually switch between the inputs or put the SW8-USB into standby mode between songs.


  • Switch between redundant playback systems
  • Two USB inputs eliminates the need for additional audio interfaces
  • Manual or seamless automatic switching
  • Line level or transformer-isolated mic level outputs
  • Synchronize both playback systems using MTC

Technical Specifications

  • Computer Connectivity:USB 
  • Form Factor:Rackmount 
  • Analog Outputs:8 x 1/4", 1 x DB-25, 8 x XLR 
  • MIDI I/O:In/Out 
  • USB:2 x Type B 
  • Other I/O:1 x XLR (JR-2 footswitch), 1 x 1/4" (JR-2 in), 1 x 1/4" (alarm) 
  • Compatibility:MTC Synchronization 
  • OS Requirements - Mac:macOS 10.12 or later 
  • Rack Spaces:1U 
  • Power Supply:External Power Supply, Dual 4-pin Connectors

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