Orion HCCA5000.1DV2 5,000 Watts RMS Class-D 1-Channel Mono Block High Current Competition Car Audiophile Amplifier RMS Watts @ 4 Ohm Stereo 12.6V:  2120 Watts X 1 Channel / RMS Watts @ 2 Ohm Stereo 12.6V: 3600 Watts X 1 Channel / RMS Watts @ 1 Ohm Stereo 12.6V: 5400 Watts X 1 Channel RMS Power Watts: 10000 Watts Frequency Response 15Hz~250KHz(-2.5dB) Signal Noise Ratio: 90dB Hi Pass Freq. 15Hz-250Hz / Low Pass Freq. 15Hz-250Hz