PIONEER PRS-D800 2-Channel 300-Watt Class Fd Bridgeable Amplifier • Ultra Compact Class Fd 2-Channel Amplifier • 600W Max Power • 300W Continuous Mono @ 4Ohm Bridged • 150W X 2 @ 2Ohm Continuous • 125W X 2 @ 4Ohm Continuous • Signal-To-Noise Ration: >105 Db • Freq Resp: 10 Hz To 80 Khz