4 x 100 watts TRUE RMS certified at full range output Digital Class D Brazilian Technology ^^ 4 Channel car audio amplifier stable at 2 Ohm gives you the benefit of wiring multiple speakers and dividing the power per channel. ^^ Engineered to be the most efficient full range amplifier so that you can get the most out of your vehicles electrical system! ^^ A small footprint and compact chassis make this amplifier easy to install anywhere in the vehicle: 4 Wide x 5.40 Length x 2 Height ^^ 2 Channel Bridged - double the power output to your speakers by bridging two channels. Minimum impedance of 4 Ohms per bridged channel at output power of 2 x 200 Watts RMS.