The Intrasonic I2000VC Volume Control is compatible with the I2000 Intercom/Music Distribution System and the I1000 system.
The I2000VC is used to control music and voice volume through ceiling and wall speakers and allows you to select different sources to play music through separate from other stations in the house (AM, FM, AUX input). It mounts in a single-gang J-box (not included) and requires decora style trim plate (not included).