Class D High Power Car Amplifier Details: Load 4 Ω:340W Load 2 Ω:600W Load 1 Ω:1000W Input Sensitivity:0.153~5.6V Signal to Noise Ratio:100dB Frequency Response:15~250Hz Subsonic Filter (12dB OCT):15~50Hz Low Pass Filter (12dB OCT):50~250Hz Bass Boost (Test 60 Hz):0~12dB Efficiency (Load 4 Ohm RMS at 100Hz):87% Total Harmonic Distortion:0.01% Heat Protect:80±5℃ Power Supply Scope (DC):10~15V Delay Start Time (SEC.):3~5S Short Protect:0.5Ω Fuse:35Ax3 L×W×H:362×237×55,433×273×50,430×261×57.5,430×260×55.5