Niles Audio Stereo Volume Control VCS50R with Selectable Impedance Magnification Includes Decora-Style Inserts, faceplates, and knobs. Power Handling: 50 Watts Per Channel RMS; 100 Watts Peak 10 Step Control, 42 DB Maximum Attenuation Pop-free Switching Between All Steps Removable Knob And Decora Snap-in Color Inserts For Quick And Easy Color Changes Recommended For Use With Niles VCS HUB8 Speaker Distribution Hub