Lanzar VCTBS2.10 Vector 10-Inch Super-Slim Active Amplified Subwoofer System RCA Low Level Input - Thermal, Short And Overload Protection Circuits - Subsonic Filter (20-50Hz) - High Pass Filter (50-150 Hz) High Level Input - Fuse:220A - 0 to +12dB Variable Bass Boost - Dimensions: 15"(L)x 11.8"(W)x 3"(H) Green & Red LED Power Status Indicator - RMS Power: 400W2 + 800W1 - Low Pass Filter (50-150 Hz) - Weight: 15.2 LBS Phase shift Switch: 0 or 180 Degree - MAX Power: 800W2 + 1600W1 - Subwoofer Gain Remote Control Soft Delay Remote Turn-On - Subwoofer Gain Control - CH 1/2 Gain Control Subwooofer Gain Control Subsonic Filter (20-50Hz) 0 to +12dB Variable Bass Boost Low Pass Filter (50-150 Hz) Subwoofer Gain Remote Control CH 1/2 Gain Control High Pass Filter (50-150 Hz)