Sound Storm Laboratories EV400.4 400W 4 Channel Car Power Amplifier Amp Mosfet SSL with RCA, Black

Power - 100 Watts Max x 4 @2-Ohms, 50 Watts Max x 4 @4-Ohms Class A/B Topology - Class A amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class B amplifiers have no current flowing through its outputs with no audio signal Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier Low & High Level Inputs - A low level (RCA) input is measured in voltages. A high level (+/- wire) input is measured in wattages. Both essentially carry signal from your receiver to your amplifier to your speakers Low Pass Crossover - Subwoofers reproduce sound based on a number of different low-range frequencies. You can set exact sound specifications for the bass frequency reproduction High Pass Crossover - Speakers reproduce sound based on high, low or mid-range frequencies. A High-Pass Crossover gears specifically towards highs such as all size speakers including mid ranges and tweeters Specs - Dimensions: 7.5 x 9 x 1.75, Weight: 3.41 lbs. Warranty - Sound Storm provides a powerful 6-year Platinum Online Dealer Warranty so long as the purchase is made through Walmart.com. We strongly encourage professional installation of this product to ensure proper and safe functionality MODEL 400W High Output 4 Channel AmplifierUp to 75 W X 4 RMS @ 2 ohmUp to 38 W X 4 RMS @ 4 ohm Full Range, Class A/B, High and Low Level Inputs, Fixed High Pass Crossover, Fixed Low Pass Crossover Dimensions: 7.5" L x 9" W x 1.75" H