The MSC-CV provides a non-powered, mechanical indicator switch for turning a sound system on and off; and a 10K linear potentiometer for controlling the volume of the sound system when it is on.The module mounts into a standard electrical box (not provided), and is finished off with a matching decora coverplate. Connections on the backside of the DPDT switch and pot are wire terminals. The MSC-CV module is available in brown, ivory or white.