RS232 GPIO Mechanical Relay

$299.95 CAD

*** Discontinued ***

Left here for reference. Please see DIY Broadcast Plans

This accessory works to provide a mechanical relay for injecting emergency alerts into the broadcast chain with the balanced USB XLR cable or onboard audio.


  •  No Latency or delay
  •  In the event of power failure to Alert Box, signal from source continues to play by default
  •  Maintains clean audio signal from source through to transmitter, independently of Alert Box
  •  1 X Pair XLR output to transmitter\STL
  •  2 X Pair XLR for source from mixing board and source from Alert Box (via XLR cable or onboard audio)

Made in Canada.

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