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The RDL TX-PSD1 Paging Sound Detector is ideal for switching sources from within a constant-voltage system. This module is triggered when the threshold is exceeded and can remain open for 3-25 seconds (user programmable).
Switches between 25, 70 and 100V inputs
25V input can also accept 8Ω loads up to 75W
Front panel trimmer controls for sensitivity and delay release