Switching power amplifier, absorbing a lot of market feedback, has been upgraded to the fourth generation, with class AB sound quality and class D light weight It is suitable for bar, large stage performance, wedding, KTV and so on Aluminum alloy drawing anodizing process panel, diamond streamline unique appearance patent design Mature and stable full bridge switching power supply circuit, seamless connection of class h power amplifier circuit, strong and thick bass, mellow medium frequency, clear and delicate high frequency It is suitable for all kinds of harsh environment, AP audio tester full range parameter test, original genuine components from well-known manufacturers at home and abroad Advanced circuit and structure design, perfect protection function: start soft start, overload, overheating, short circuit, DC output, intelligent peak shaving protection Tunnel cooling system, stepless speed