The Micmute PM from Whirlwind is a compact pedal-style push-to-mute switch that provides quick and easy muting of a mic or line audio signal. The rugged metal housing offers XLR input and output connectors for wide compatibility. When the heavy duty footswitch is pressed and held down, the Micmute will turn off the signal. As soon as the switch is released, the signal is reconnected and audio begins passing through again. The Micmute is entirely passive, requiring no power.