NEW Orion XTR1500.1Dz XTR Series 1500 Watts RMS Car Audio Amp CEA-2006 Compliant Power Ratings Xtreme Amplifier with Remote Bass Boost Control Knob Included (XTR1500.1D) RMS Watts @ 4 Ohm Stereo 12.6V:  600 Watts X 1 Channel / RMS Watts @ 2 Ohm Stereo 12.6V: 975 Watts X 1 Channel / RMS Watts @ 1 Ohm Stereo 12.6V: 1500 Watts X 1 Channel RMS Power Watts: 6000 Watts Frequency Response 20Hz~300KHz Signal Noise Ratio: 90dB Hi Pass Freq. 30Hz-250Hz / Low Pass Freq. 30Hz-250Hz