Mini Class D 2x3w Audio Amplifier Board


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The card adopts the PAM8403 typical circuit design, the use of MICRO USB power supply (reserved welding wire interface), it is very convenient to use universal mobile phone charger for power supply, resistance container of parts to adopt standard of SMT process, simple and stable special design interface for Bluetooth audio receiver module, Can easily DIY small bluetooth speakers the card can take 8 ohm 4 ohms small speakers, suitable for all horn frequencies or full frequency small speakers.

Technical specifications:

Supply voltage: DC 3.4 v-5 v, microUSB on board

Output power: 3.0Wx2