The board adopts the PAM8403 typical circuit design, the use of MICRO USB power supply (reserved welding wire interface), is very convenient to use universal mobile phone charger for the power supply, resistance container parts adopt standardized SMT process, simple and stable design special interface for bluetooth audio receiver module, can easily DIY little bluetooth speakers the board can pick up 8 ohm 4 ohm small speakers, suitable for all frequency horn or full frequency small speakers.
Supply Voltage: DC 3.4V-5V
Output Power: 3.0Wx2
Please allow 0-3mm error due to manual measurement. pls make sure you do not mind before you bid
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1 x Power Amplifier Board
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Charger & Power Supply
Rated 4.00 out of 5