3-channel Car Amplifier (AB type) Details: MODEL NO:AT350A,AP350A,AD350A Load 4 Ω:50WX2 +150W×1 Load 2 Ω:90WX2 +260W×1 Input Sensitivity:0.2~10V Signal to Noise Ratio:90dB Sub Frequency Response:15~250KHz Sub Low Pass Filter (12dB OCT):50~250Hz 1&2CH frequency response: 20~20KHz 1&2CH High Pass Filter (12dB OCT):50~1KHz Bass Boost (Test 60 Hz):6&12 Total Harmonic Distortion:0.01% Heat Protect: 80±5℃ Power Supply Scope (DC): 10~15V Delay Start time: 3~5s Short protect: 1ohm Power Cables Cross Section: ≥21mm2 Fuse: 20A X 2 L×W×H:322×251×45,322×244×49,322×247.5×46