AR4-2000DMax Power 2,000 WattsRMS Power @ 4 ohm 90W x 4RMS Power @ 2 ohm 150W x 4RMS Power @ 4 ohm Bridged 300W x 2Variable High Pass Crossover 120Hz-3Hz 12dB (ch. 1-4)Variable Low Pass Crossover 50-250Hz 12dB (ch. 3-4)Selectable Bass Boost 6dB or 12 dB 50HzTotal Harmonic Distortion <0.3%Frequency Response 20KHzSignal-to-Noise Ratio 105dBInput Sensitivity 200mV-6VDimensions (8.75”W x 2.25”H x12.25”