4 x 1250 Watts RMS @ 4 Ohms - Power Over a Wide Range of Battery Voltages - Remote Subwoofer Bass Control - Tri-Mode Capable - Soft Turn On/Off * 4 x 1500 Watts Max @ 4 Ohms - Stiffly Regulated PWM-Type Power Supplies - Electronic Crossover Network - Silver RCA Inputs - Frequency Response:10Hz-40KHz * 2 x 3000 Watts Max @ 4 Ohms Bridged - Variable Input Level Controls for Each Pair of Cannels - Bass Boost Circuit - Line Outs for 1/2 3/4 Channels - S/N Ratio:95dB * 4 x 2000 Watts @ 2 Ohms RMS - Variable High Low Pass Crossover Controls - Bridgeable at 4 Ohms - Power Protection LED Indicators - Fuse: 30A x 3 * MOSFET Automatically Switches to Maintain Rated - High-Efficiency, Heavy Aluminum Heatsink - 2 Ohm Stereo Stable - Advanced Protection Circuitry - Dimensions: 10.25"W x 2.36"H x 20.47"L