MUSYSIC Professional 2 Channel 9000 Watts DJ PA Power Amplifier Signal out MU-P9K Stereo Output Power: "2x5600W PEAK, 2x2800W Program, 2x1400W RMS @ 2" "2x2800W PEAK, 2x1400W Program, 2x700W RMS @ 4" "2x1400W PEAK, 2x700W Program, 2x350W RMS @ 8" Bridge Output Power: "5600W PEAK, 2800W Program, 1400W RMS @ 4" "2800W PEAK, 1400W Program, 700W RMS @ 8" Frequency Response: 20Hz-20KHz,+0,-1dB at watts / THD+N(20Hz-20KHz) 0.2320Hz-20KHz / Siew Rate 30V/us / Damping Factor 150 / Output Circuitry Class AB / Signai to Noise Ratio 96dB / Cross Talk 80dB / lnput Sensitivity(8) 1V / input lmpedance 20 k  baiance / 10 k  unbalanced unbalance balancing 20 k / 20 k / Dual cooling fans / Connectors Input: XLR input, 1/4" input: XLR Output: Speakon connector Output: Speakon, locking type socket, Banana plug connection output Controls Panel: the power switch, channel 1 and channel 2 channel gain control; After the board: working mode, pressure limit./ lndicators Panel: the power switch, channel 1 and channel 2 channel gain control; After the board: working mode, pressure limit./ Amplifier Protection With short circuit, overload, overheat, cut peak pressure limit, dc, soft start, relay zero current switch, super audio and radio frequency protection device.