Technical Pro Professional 2 Channel Power Amplifier, 7000 Watts Peak Power, Black 7000 watts peak power, 1600 watts @ 2 ohms, 1150 watts @ 4 ohms, 600 watts @ 8 ohms Inputs: Balanced XLR, 1/4" Outputs: Speakon, Banana binding posts Bridge/stereo selector, variable speed cooling fans, Frequency response 20Hz-20kHz +-1DB, THD &lt;0.02%, Damping factor &gt;180 @ 8 ohms, S/N ratio -103 db Ground/lift switch,LCD display, built in key lock