1200W Max / 80W RMS x 4 / 300W x 2 RMS Bridged (at 4 ohms) Tuned to deliver loud and clear sound Champion Series Design Variable HPF/LPF RCA Input Speaker Input Amplifier ClassClass D No. of Channels4/3/2 Max.power output160 W x 4 (4Ω) 300 W x 4 (2Ω) 600 W x 2 (4Ω Bridged) RMS power output80 W x 4 (4Ω) 120 W x 4 (2Ω) 300 W x 2 (4Ω Bridged) Frequency Response10 Hz to 50 kHz Impedance2Ω to 8Ω Total Harmonic Distortion(THD)<0.05% S/N Ratio95 dB Speaker Level InputYes Automatic Signal Sensing and Turn-OnYes Crossover TypeVariable HPF/LPF Crossover Frequency10 Hz to 50 kHz Bass Boost Frequency56 Hz Baas Boost Level0 dB to 18 dB Bass Boost RemoteNo Dimensions252 mm x 60 mm x 215 mm