Pyle PLBASS2.8 8-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:215A - 0 to +12dB Variable Bass Boost (@45HZ) - Dimensions: 14.5"(L) x 9.5"(W) x 3"(H) Green & Red LED Power Status Indicator - RMS Power: 150W x 2 + 300W x 1 - Low Pass Filter (50-150 Hz) Phase shift Switch: 0 or 180 Degree - MXA Power: 300W x 2 + 600W x 1 - Subwoofer Gain Remote Control Soft-Delay Remote Turn-On - Subwoofer Gain Control - CH 1/2 Gain Control