PB-US62 Amplified Compact Bass Enclosure (Underseat subwoofer). Dual Flat Piston Subwoofers. 12 Total Driver Surface Area. Dual 6 Oval Injection Molded PP Cone Woofers. High And Low Level Input. Selectable Input Sensitivity for use with OEM integration. Auto Turn-On Circuit with High Level Inputs. Remote Gain Control With Power Status Indicator. 8.0″W x 2.75″H x 12.0D. 20 Hz – 200 Hz. Low Level (RCA)/High Level (speaker level). 2.75″ x 12.0″ x 8.0. 50 watts RMS / 150 watts max. 0dB – 12 dB. 50 Hz – 125 Hz. 250 mV – 6V (low level)/1.0V – 10 V. 0.5% at Rated Power. 40 Hz – 200 Hz.