Niles TVC-1 Tabletop Stereo Volume Control with Selectable Impedance Magnification Tabletop Stereo Volume Control with Selectable Impedance Magnification Power Handling: 100 Watts Per Channel RMS; 200 Watts Peak Selectable Impedance Magnifying: 1X, 2X, 4X, 8X Removable Screw less Connectors Accommodate Up To 14-gauge Wire 10 year limited Power handling - 100 watts per channel RMS; 200 watts peak Selectable impedance magnifying - 1X, 2X, 4X, 8X 12 step control, 54dB maximum attenuation Removable screwless connectors accommodate up to 14 gauge wire Pop-free switching between all steps