Niles VCS100R Black FG00959 100 Watt InWall Volume Control Pictured in White Enhanced Audio Performance: 12-step control with 54dB of dynamic range High Power Handling: 100 watts RMS, 200 watts peak Selectable Impedance: Enables safe connection of up to eight speaker pairs to a single amplifier Removable Screwless Connectors: German made removable connectors for quick and easy installation