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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.
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.
Features:
- Small standby heating, good-quality stereo, suitable for Bluetooth speakers.
- Output power 6W+6W, two-channel stereo, good sound quality.
- Lithium batteries can be connected, with charge management.
- 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.
- The charge management circuit limits the battery to a maximum voltage of 4.2VDC.
Package Includes:
- 1 x 2x6W DC 5V 3.7V speaker modified Stereo Bluetooth amplifier board
