Lanzar VCTBS10 800-Watt Max 10-Inch Super Slim Active Subwoofer 10'' Slim woofer - Phase shift switch: 0 or 180 - Thermal, short and overload protection circuits - Slim woofer: 250Watt RCA low level input - Adjustable input sensitivity: 0.2V-3V - Fuse: 2x20A - Dimension: 15'' X11.8'' X 3'' High level input - 0 to +12dB variable Bass Boost (@45Hz) - Max power: 800 watt - Weight: 15.5 LBS. Green & red LED power status indicator - Low pass filter (50-150 Hz) - RMS Power: Remote level control - Soft delay remote turn-on - Amplifier: 100Watt