Professional Amplifier RMX1000 8Ω Stereo Power: 1000W*2 4Ω stereo Power: 1400w*2 8Ω Bridge Power: 2800W THD+N: <0.05% Stew Rate: >20V/us Damping Factor: >150 Cross Talk:>70dB S/N rate: ≥95dB input sensitivity: 0.775 protection: DC/Short Circuit/Over heat/ Over load/Soft Start/ Limit Gross Weight: 47Kgs