This Wall plate volume control is ideal for schools or meeting rooms where it conveniently adds control to an amplifier that is concealed in the ceiling or another location. Designed to fit in a decora style wall plate, the wall plate volume control is easy to install with 3 screw down terminals and can retro fit into a surface mount wall box. The volume control offers 10KO of resistance and a conveniently located mute button ensuring ease of use by a teacher or meeting leader.