Rockville RW10CA 800 Watt 10 Slim Car Subwoofer. 800 Watts Peak / 200 Watts RMS.;PWM MOSFET Power Supply. Low Level RCA Input. High Level Inputs with Auto Turn-On Technology.;Adjustable Input Sensitivity. Soft Delayed Remote Turn-On. Thermal Protection Circuit, Short Protection Circuit.;Overload Protection Circuit. Phase Switch: 0ﾃつｰ or 180ﾃつｰ. Low Pass Filter: 50Hz - 150Hz.;Bass Boost: 0 - 18dB @ 45Hz. Subwoofer Level Remote Control . Built in Subsonic Filter @ 29Hz