Suggested Retail:$76. BOSS Audio Systems AR1600.4 4 Channel Car Amplifier - 1600 Watts, Full Range, Class A/B, 2-4 Ohm Stable, Mofet Power Supply, Bridgeable. Combine power and performance with the Boss Audio Armor AR1600.4 Class A/B 4-Channel Full Range Amplifier. With 1600 Watts Max Power and MOSFET power supply, this amplifier is ideal for your entire audio system. This 4-Channel Amplifier can power up your speakers, subwoofers or a combination of both. Customize the sound with Fixed High Pass Crossover, Variable Low Pass Crossover, Bass Boost and Remote Subwoofer Control. Bridge channels for more power and flexibility. The Armor Series of amplifiers packs incredible power and performance into a feature-rich slim design for put-it-anywhere convenience.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.