SK-790.4 4-Channel 7900W Car Power Amplifier Class A/B Stereo Surround Passive Subwoofer Audio Player

Features: 1. 4-Channel 7900 Watt Car Power Amplifier 2. Amplifier Class: Class A/B 3. Stereo surround 4. Main push four-door speaker 5. Passive subwoofer 6. Slim design 7. Aluminium alloy casting drawing process 8. External heat sink 9. Thermal Overload & Speaker's Short Protection 10. shell with a standaro safety interface put and end to bad parts 11. aluminum alloy heatdisspation design hole design wider air-contact surface heat faster   Specifications: Model  SK-790.4 Material  Aluminium alloy Channel  4 Working Voltage DC 12V Peak Power Output  7900 W Peak Power Output  2 Ohms 2000Wx 4 Channels Peak Bridged Power Output  4Ω 3900W x 2 Channels RMS Power Output  4Ω 120W x 4 Channels Total Harmonic Distortion (THD)  RMS Output  ＜0.01% Signal-to-Noise Ratio (SNR)  ＞95dB Sensitivity  150mV Impedance  2Ω~4Ω Frequency  20Hz~40KHz   Notes: 1. Due to manual measurement, please allow a difference of 0.5-1cm. 2. Due to the difference of light and screen, the color of the product may be slightly different from the picture.   Package Include: 1 x Car Audio Amplifier 1 x User Manual