Professional Amplifier RMX450 450W*2 630W*2 1100W Professional Amplifier RMX4508Ω Stereo Power: 450W*24Ω stereo Power: 630w*28Ω Bridge Power: 1100WTHD+N: <0.05%Stew Rate: >20V/usDamping Factor: >150Cross Talk:>70dBS/N rate: ≥95dBinput sensitivity: 0.775protection: DC/Short Circuit/Over heat/ Over load/Soft Start/ LimitGross Weight: 30Kgs Professional Amplifier RMX450