Valueline SPPROFSWITCH-1 Rotary volume control volume control

2-way speaker control box This professional, high quality volume controller can be conveniently located anywhere along the loudspeaker cable. This is particularly useful when you have your amplifier in the living room and want to power a pair of loudspeakers in another room. This controller can be located in the kitchen or bedroom to permit you to adjust or mute the volume there. From that location, the controller can also turn on or off the main loudspeaker pair whose volume is determined by the amplifier's volume control.