Get the performance, quality, and customized function out of your car audio that you've come to expect with the Lanzar 4000 Watt 4 Channel Amplifier.This amplifier can do 500 watts per channel of RMS power at 4 ohms and 850 watts per channel when each channel is wired to 2 ohms. This is a total of 4000 watts RMS power! Easily power all 4 of your car speakers or bridge the channels at 4 ohms and run subwoofers to this amplifier. A unique feature on this amplifier is the remote bass control knob.The MOSFET power automatically switches to maintain rated power over a wide range of battery voltages, so choose the Lanzar 4000 Watt 4 Channel Amplifier to get more out of your car audio.