The Audio-Controlled Relay allows for a seamless control mechanism using audio signals. This device features a variable delay ranging from 0.5 to 5.0 seconds. Ideal for a variety of applications, it includes one microphone input, double-pole double-throw (DPDT) contacts, and an open-collector output for flexible connectivity.
Rdl ST-ACR1M Audio-Controlled Relay with Adjustable Delay Feature