Take your car stereo performance up a notch with the Lanzar VIBE231 MOSFET amplifier. Boasting a maximum delivery of 800 watts, this 2-channel amplifier features a variable crossover and MOSFET switches to maintain rated power over a wide variety of battery voltages. Click on Overstock.com for huge savings on a wide selection of car audio accessories. Features include: 2 x 125 watts RMS at 4 ohms 2 x 400 watts max at 4 ohms 1 x 500 watts max at 4 ohms bridged 2 x 225 watts at 2 ohms MOSFET switches PWM-type power supplies Variable input level controls for each pair of channels Variable high/low pass crossover controls High-efficiency, heavy aluminum heatsink Remote subwoofer bass control Electronic crossover network Bass boost circuit Bridgeable at 4 ohms Tri-mode capable Gold-plated RCA inputs Line outs for left/right channels Advanced protection circuitry 15Hz-35kHz frequency response 90dB S/N ratio