This is a 2x6W Bluetooth amplifier board with charge management that can be powered by lithium battery. Small heat production in standby, good stereo quality, suitable for small Bluetooth speakers.
1. Small standby heating, good-quality stereo, suitable for Bluetooth speakers.
2. Output power 6W+6W, two-channel stereo, good sound quality.
3. Lithium batteries can be connected, with charge management.
4. When using a lithium battery, the charging interface can be charged with a 5-volt power supply or a mobile phone charger to charge a single-cell lithium battery.
5. The charge management circuit limits the battery to a maximum voltage of 4.2VDC.
1 x 2x6W DC 5V 3.7V speaker modified Stereo Bluetooth amplifier board