BOSS Audio Systems OX4.400 4 Channel Class A/B Car Amplifier – 1600 High Output, Low/High Level Inputs, Low Pass Crossover, Add Bass to Your Subwoofer

Power - 400 Max x 4 @2 Ohms, 200 Max x 4 @4 Ohms, 800 Max x 2 Bridged @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. Bridgeable - Dramatically increase the power output to you speakers and subwoofers by connecting two amplifier channels. 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. Variable Bass Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s). 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. Specs – Dimensions: 12.25” x 7” x 2.3”, Weight: 6.4 lbs.. BOSS Audio Systems provides a powerful 6 year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality