4 Channel Power Amplifier - 2000 Watts RMS @ 8 Ohms - 3400 Watts RMS @ 4Ohms Model Number: Epicenter 5004 4 Channel Amplifier Power Handling: 4 x 500 Watts RMS @ 8 Ohms 4 x 850 Watts RMS @ 4 Ohms 2 x 1600 Watts RMS @ 8 Ohm Bridge Technical Specs Frequency Response: 5Hz - 50K Hz +/- 0.5dB THD+N: 99dB Slew Ratio: 30V/u S Damping Factor: >400 Crosstalk: >65dB@ 8 Ohm 1K Hz Input Impedance: 20K Ohms (Balance) / 10K Ohms (Unbalance) Input Sensitivity: 1V Output Protection Circuitry Operation Power Voltage: AC 110V, 50-60 Hz Front of Amplifier: Channel A, B, C, and D volume controls Power indicator Clip indicator Protection Mode indicator Signal indicator Rear of Amplifier Channel A, B, C and D signal input (XLR connector) ST, Bridge, Mono Modes Channel A, B, C, and D power output (Speakon) AC input: 110V, 50-60 Hz Dual cooling Fan Dimensions: 2 Spaces / Fits standard 19" rack cases Weight: 69 lbs Our Epicenter Amplifier is a BEAST! This is a 4 channel amplifier capable of pushing just about anything. This is a high end amplifier that is rack mountable. These amps are easily capable of pushing eight 18" subwoofer cabinets or two pairs of dual 15" speakers. You can run your subs, monitors, and mains from one amplifier and consolidate your gear. Do a Google search for "Pro Audio 4 Channel Amplifiers". See what prices the big boys are offering and compare the specs! The Epicenter 5004 will blow them out of the water!