Four Channel Amplifier Class AB Specifications 4 x 150 Watts @ 2 Ohm 4 x 100 Watts @ 4 Ohm 2 x 300 Watts @ 4 Ohm bridged 12 dB High Pass: 25 Hz – 5 kHz 12 dB Low Pass: 50 Hz – 5 kHz Dimensions (LxWxH): 250x 200 x 56 mm