Orion CB2700.2 Cobalt Series 5400 Watts 2 Channel Amp Car Audio Stereo Amplifier RMS Watts @ 4 Ohm Stereo 14.4V:  450 Watts X 2 Channel / RMS Watts @ 2 Ohm Stereo 14.4V: 675 Watts X 2 Channel / RMS Watts @ 4 Ohm Bridge 14.4V: 1350 Watts RMS Power Watts: 2700 Watts / Max Power Watts: 5400 Watts Frequency Response 10Hz~36KHz(-3dB) Signal Noise Ratio: 90dB Hi Pass Freq. 50Hz-4KHz / Low Pass Freq. 40Hz-500Hz