NEW Orion XTR2500.1Dz XTR Series 2500 Watts RMS Car Audio Amp CEA-2006 Compliant Power Ratings Xtreme Amplifier with Remote Bass Boost Control Knob Included (XTR2500.1D) RMS Watts @ 4 Ohm Stereo 12.6V:  1050 Watts X 1 Channel / RMS Watts @ 2 Ohm Stereo 12.6V: 1600 Watts X 1 Channel / RMS Watts @ 1 Ohm Stereo 12.6V: 2500 Watts X 1 Channel Nominal power output 1ohm(watts): 5000 Watts, Max music power: 10000 Watts Frequency Response 20Hz~250KHz Signal Noise Ratio:65dB Hi Pass Freq.30Hz-250Hz / Low Pass Freq.