Niles VCS100R White FG00956 100 Watt InWall Volume Control Power handling - 100 watts per channel RMS; 200 watts peak Selectable impedance magnifying - 1X, 2X, 4X, 8X 12 step control, 54 dB maximum attenuation Removable screwless connectors accommodate up to 14 gauge wire Pop-free switching between all steps