4 x 100 Watts + 1 x 200 Watts RMS @ 4 Ohms - Power Over a Wide Range of Battery Voltages - Remote Subwoofer Bass Control - Tri-Mode Capable - Frequency Response: 10 Hz-40 kHz * 4 x 200 Watts + 1 x 400 Watts Max @ 4 Ohms - Stiffly Regulated PWM-Type Power Supplies - Electronic Crossover Network - Silver RCA Inputs - S/N Ratio:95 dB * 2 x 800 Watts + 1 x 1,600 Watts Max @ 4 Ohms Bridged - Variable Input Level Controls for Each Pair of Cannels - Bass Boost Circuit - Power Protection LED Indicators - Fuse: 30A x 2 * 4 x 175 Watts + 1 x 375 Watts @ 2 Ohms RMS - Variable High Low Pass Crossover Controls - Bridgeable at 4 Ohms - Advanced Protection Circuitry - Dimensions: 10.25""W x 2.36""H x 23.62""L * Mosfet Automatically Switches to Maintain Rated - High-Efficiency, Heavy Aluminum Heatsink - 2 Ohm Stereo Stable - Soft Turn On/Off