Pyle PVC3 High Power In-Wall Stereo Volume Control with Built In Relay Circuit (White) 5-Position, Light-Touch Knob Perfect Companion For Hi-fi Four-Pair Speakers 2/3 and 4 wire mode Build in relay circuit for (emergency message from same amplifier) Attractive Standard And Decora- Style Wall Plates Includes Mounting Ring And Wire Nuts for Installation 100 Watts Load Handling Dimensions: 4.7'' X 2.8'' X 1.9'' Sold as : Unit Control Room Volume With Ease 6 Position Light Touch Switch 100 Watts RMS Power Handling Decora Style Wall Plate Includes Trim & Hardware