GemSound XPS6000 500-Watt Stereo Power Amplifier, Pair 1300 watts RMS @ 8 ohm bridged mono 650 watts per channel RMS @ 4 ohm 500 watts per channel RMS @ 8 ohm Left-Right level controls Parallel stereo bridge Ground lift Limiter on/off Output: banana binding post, Speaker On Inputs: 1/4" and balances XLR Protect LED, Peak LED Fan cooled