MONO Class D High Power Car Ampilfier Load 4 Ohm: 670W RMSload 2 Ohm: 1140W RMSload 1 Ohm: 2000W RMSSignal to noise ratio: 100dBFrequency response: 15-250HzTHD: 0.01%Dimension(L×W×H):570×268×48.5mm