5V USB Power PAM8403 Mini Digital Audio Amplifier Board
- Miniature digital power amplifier board 2x3w class D power amplifier board, Can work on USB power supply.
- Good noise suppression
- Input audio should be via sheilded wire
- Dual channel stereo output 3 w + 3 w power
- Works with 5v power supply
- can directly drive 4 Ω/8 Ω small speakers
- big output power, sound quality is good.
- Unique without LC filter class D digital power board
- can use computer USB power supply directly
- Double panel wiring, super mini design, can easily fit in a variety of digital products
- high amplification efficiency
- made with solid plate welding machine
- Super size: 1.85 x 2.11 cm
Note: Do not mix the “negative” of the left and the right output channel with “negative” of the power supply, otherwise it will burn the IC.