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Description
PAM8403 USB 5V Power Supply 3W*2 Digital Power Amplifier Board HD Sound Quality Mini Digital Audio Amplifier Board
Production introduction
PAM8403 digital power amplifier chip (mostly domestic chips), the circuit is simple and reliable. The working voltage is 2.5V-5.5V, the maximum output is 3Wx2, and the efficiency can reach more than 90%. It can be powered by computer USB port 5V, which is very suitable for battery or portable electronic products. The board is small in size and has a potentiometer with a switch. It can adjust the volume and control the power switch as you like. It is very flexible and convenient to use and install. All components used are genuine devices, which are suitable for long-term stable use.
