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

$75.89 $94.99
Unit price  per 


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






 Aluminium alloy



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


Signal-to-Noise Ratio (SNR)










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

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