ขาย บอร์ดขยายเสียงสเตอริโอ D 2x15w 2x15w ราคาที่ดีที่สุด

This amplifier board is designed using official standard circuit, chip selection is imported dragon d micro-amplifier chip.The chip is not strong enough for people to search for its data. Good product chips are to be shared with music lovers, which is our consistent idea!This amplifier has high efficiency, super power, can output 10w+10w power under 12v power supply, chip does not need radiator, also has overheat, overcurrent protection function, can be said to be very powerful. This board has switch function, will sw short - connect, will close the amplifier.