SPDT relay status output Power requirements: 12VDC, 150mA, AC power adapter included LED status indicators for A and B outputs L/R RCA line input and output connections Detachable Phoenix style connections for relay contacts. Relay contacts rated at 24VDC, 2A Adjustable return delay time: 0.5 ~ 120 seconds A/B Input, single output Popular applications include commercial or home audio systems with too few line inputs, or situations where input selection needs to be made on equipment that is not in a convenient location. SPDT relay outputs are provided that mimic the A/B input selection, allowing this device to trigger external components. It may even be desirable to use this switch simply as a sound activated SPDT relay.