4 Channel Class A/B Ampilfier 4 x 110 Watts RMS @ 2 Ohms 4 x 75 Watts RMS @ 4 Ohms 2 x 220 Watts RMS Bridged @ 4 Ohms Max Power: 600 Watts Fuses: 2 x 20A 2 Ohm Stable THD: < 0.01% Channel Separation: >55dB Frequency Response: 20Hz-20KHz Signal to Noise Ratio: 95dB High Pass Filter: 50Hz - 1KHz Low Pass Filter: 40Hz-300Hz Bass Boost: 0-12dB Bass Bosst Frequency: 30Hz - 89Hz Five-way Protection: Overload, Short Circuit, Thermal, Low Voltage and High Current Dimensions: 9-1/2" W x 2" H x 11-7/8" L