BOSS Audio Systems OX2.800 1600 W 2 Chann Car Amplifier Description:"� Power - 800 Max x 2 @ 2 Ohms, 400 Max x 2 @ 4 Ohms, 1600 Max x 1 Bridged @ 4 Ohms"� Strapping Capable - You are able to strap two OX2.800 amplifiers and double the power that is being sent to your subwoofer(s). You now have the ability to connect more subwoofers to take advantage of the extra power"� 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)"� Variable 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"� Fixed High-Pass Crossover - Speakers reproduce sound based on high, low or mid-range frequencies. The High-Pass Crossover gears specifically towards "�highs"� in all size speakers including mid ranges and tweeters"� Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers"� Variable Input 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"� Specs - Dimensions: 13.07"� x 6.89"� x 2.22"�, Weight: 5.73 lbs., Speaker Impedance: 2 Ohm, THD @ RMS Output: 0.01%, S/N Ratio: 90 dB, Frequency Response: 10 Hz to 30 kHz, Fuse Quantity: 2 20 Amp ATO Blade"� Warranty - 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