3pcs SANWU® HF69B 6W+6W Dual Channel Stereo Bluetooth Speaker Amplifier Board Power By DC 5V Or 3.7V Lithium Battery With Power Charging Management


Price: $19.54
Bonus: 20
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In Stock: 50 pcs
3pcs SANWU® HF69B 6W+6W Dual Channel Stereo Bluetooth Speaker Amplifier Board Power By DC 5V Or 3.7V Lithium Battery With Power Charging Management

Description:

Product model: HF69B 
Bluetooth power amplifier board: Small standby heating, good-quality stereo, suitable for small bluetooth speakers.
Output power: 6W + 6W
Stereo: Dual channel stereo
Applicable speaker impedance: 4 ohms, 6 ohms, 8 ohms
Supply voltage: 5V DC or 3.7V lithium battery
Charging interface: When charging interface is powered by the lithium battery, the supply voltage is 5V. And mobile phone charger can charge a single lithium battery(the maximum limitation voltage for battery is 4.2VDC by the charging management circuit).
 
Note:

When the wiper switch is ON, the Micro USB port is the charging port, it will work if powered by the lithium battery. When the wiper switch is OFF, the Micro USB port is the power supply port, it doesn’t need to connect with lithium battery.Product model: HF69B
 
Package included:

3 x HF69B Bluetooth power amplifier board




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