PAM8403 Class D Mini Amplifier Module 2x 3W This amplifier module can be used to amplify an analog audio signal for passive loudspeakers. The Class D amplifier chip works power saving and needs no external cooling. Technical data - Operating voltage: 5 V DC - connections solder pads: - Audio input - power supply - speaker output - output power: 2x 3 W (4 Ohm) - 2 channel - chipset: D-Class PAM8403 - dimensions: 25 x 16 x 3 mm https://elecena.pl/product/21019565/xh-m179-developer-boards-audio-amplifier-class-d-pam8403 2022-06-17 https://elecena.pl/product/21019565/xh-m179-developer-boards-audio-amplifier-class-d-pam8403 2023-04-23