2x6W Bluetooth Power Amplifier Board DC 5V/3.7V Lithium Battery with Charge Management HF69B

1、This is a 2x6W Bluetooth amplifier board with charge management that can be powered by lithium battery.

2、Small heat production in standby, good stereo quality, suitable for small Bluetooth speakers.

3、Output power 6W+6W, dual channel stereo.

4、Applicable speaker impedance: 4Ω, 6Ω, 8Ω.

5、Power supply voltage: 5VDC or 3.7V lithium battery.

Features:

1. This is a 2x6W Bluetooth amplifier board with charge management that can be powered by lithium battery.

2. Small heat production in standby, good stereo quality, suitable for small Bluetooth speakers.

3. Output power 6W+6W, dual channel stereo.

4. Applicable speaker impedance: 4Ω, 6Ω, 8Ω.

5. Power supply voltage: 5VDC or 3.7V lithium battery.

6. Charging interface: When using lithium battery tp supply power, the charging interface 5 volts power supply or mobile phone charger can charge a single lithium battery. (The charge management circuit limits the battery to a maximum voltage of 4.2VDC)

Friendly remind: When sliding the switch to ON, Micro USB port is the charging port, powered by the lithium battery to work; When sliding the switch to OFF, Micro USB port is the power supply port, the module can work without connecting lithium battery.

Packagelist:

1 * Bluetooth Amplifier Board