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Out of stock2x6W DC 5V 3.7V speaker modified Stereo Bluetooth amplifier board can connected lithium battery
[Amplifier Board] 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. Features: 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. Specification: Item Type: Amplifier Board Model: HF69B Supply Voltage: 5VDC or 3.7V lithium battery Applicable Speaker Impedance: 4 ohms, 6 ohms, 8 ohms Charging Interface: 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 lithium battery. Package Includes: 1 x 2x6W DC 5V 3.7V speaker modified Stereo Bluetooth amplifier board