Stetsom - Bravo HQ 800.4 OH2 4-Channel Class D Car Amplifier, 800W RMS, 2 Ohm Stable, Full Range - BlackThe Stetsom Bravo HQ 800.4 is a 4-channel Class D car audio amplifier delivering 800W RMS total power with 2-ohm stability. It produces 4x250W RMS at 2 ohms (14.4V) or 4x170W RMS at 4 ohms, and bridges to 2x400W at 4 ohms (12.6V) for powering subwoofers. Its broad 5Hz to 22kHz frequency response makes it ideal for full-range use with coaxial speakers, tweeters, woofers, and subwoofers. Features variable low-pass and high-pass crossovers (50Hz–2.3kHz), signal-to-noise ratio greater than 80dB, and dual RCA/high-level inputs. Its dimensions are 2.30x6.57x9.27 inches and it weighs 3.31 lbs. $178.99BestBuy.comDelivery: in USA ReportBuy!