CentIoT - PAM8406 2 x 5W - 2 Channels 5W dual channel stereo mini Class D Digital Audio Power Amplifier Board USB DC 5V - with Volume Control Potentiometer M0016-0.56-30V-Green TM1637 has also keyboard input

TM1637 has also keyboard input capability but is not used in this module

Low consumption

but I find that additional optical shielding is required

Details: A battery management system (BMS) is any electronic system that manages a rechargeable battery (cell or battery pack)

Model: AU009-PAM8406-2X5W

CentIoT - PAM8406 2 x 5W - 2 Channels 5W dual channel stereo mini Class D Digital Audio Power Amplifier Board USB DC 5V - with Volume Control Potentiometer M0016-0.56-30V-Green TM1637 has also keyboard inputBrand: CentIoT Color: Blue Features: Excellent noise suppression. in the absence of contact input audio, you will not hear any noise even put your ear close to the speaker The two channel stereo, 5V power supply can output 5W + 5W power, directly drive 4, 8 speakers, output power, full of energy, good sound quality, with left and right channel volume adjustment. unique non LC filter Class D digital power board, it can be used directly for the USB