The power amplifier board using the official standard circuit design, chip selection is used in the United States imported original Longding micro class D amplifier chip. This chip is not strong we can go to check it under the information.
Good product chip and the vast number of music lovers will share, this is our consistent philosophy! The power amplifier with high efficiency, large power, in the case of 12V power supply can output 10W +10 W power, the chip without heat sink, but also with overheating, overcurrent protection, features can be said to be very powerful.
The board has a switch function, the SW shorted, will close the amplifier.