The SOUNDSTORM Evolution EV2.200 Amplifier is a 2 channel, 200-watt car amp that packs a punch for a really reasonable price.This amp is Class A/B with specific linear circuitry that increases sound quality and power output while reducing distortion. The total harmonic distortion is only 0.01%. The Evolution is 2 ohms stable and produces more power and volume. The high and low-level inputs and variable gain control let you customize your sound with any speaker or audio system.Variable Gain Control lets you balance the amp's output with the speakers or subs the amp is driving. Too much gain will lead to distortion and too little will lead to clipping.Really rock out to the music in your car with the SOUNDSTORM Evolution EV2.200 Amplifier.