XH-M521 Car 4 Channel 50W*4 HIFI Stereo Audio Amplifier Board

Features:
Have both sound quality and volume using imported TDA7850 chip, 50W * 2 super power, pushing 10-inch speaker with ease.
High-end graphics-level cooling fan, IC intelligent cooling system temperature control, when the temperature exceeds 25 degrees, the fan is automatically turned on, quiet and calm.
The AUDIO-PBV9 double isolation system has built-in dual VC3121 chip, which effectively inhibits other noise sources and makes the sound quality clearer.
Preset AOPCV-K bypass system, equipped with high-end dedicated coupling capacitor ELNA.
A horizontal package TDA7850, air cooling system, even if the full load is only lukewarm, the free cooling fan starts work, snapping hear the fan running almost noiseless.