Rockville RW10CA 10" 800 Watt Slim Low Profile Active Powered Car Subwoofer Sub Rockville RW10CA 800 Watt 10&quot; 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&deg; or 180&deg;. Low Pass Filter: 50Hz - 150Hz. Bass Boost: 0 - 18dB @ 45Hz. Subwoofer Level Remote Control. Built in Subsonic Filter @ 29Hz. Maximum Power RMS: 200 Watts. Impedance: 2 Ohm. Dimensions: 12.4 x 13.4 x 2.7 (L x W X H) Inches. Frequency Response: 20Hz - 150Hz. Sensitivity: 90dB @ 1w / 1m.