MONO Class D High Power Car Ampilfier Load 4 Ohm: 340W RMSload 2 Ohm:600W RMSload 1 Ohm: 1000W RMSSignal to noise ratio: 100dBFrequency response: 15-250HzTHD: 0.01%Dimension(L×W×H):362×237×55mm