4 Inch 20 Watt Woofer 4 Ohms Sweton

The power amplifier circuit board designed using the official standard. the chip uses a selection of US imports original Longding micro Class D amplifier chip. Good product chip is necessary and the majority of music lovers to share. this is our consistent philosophy! The amplifier with ultra-high efficiency. large power. in the case of 12V power supply can output 10W + 10W of power. the chip without fins. but also with overheating. over-current protection function. the function can be said to be very powerful.