6W+6W DC 5V 2 Channel Bluetooth Audio Digital Amplifier Board Lithium Battery Powered Audio Amplificador

Bluetooth power amplifier standby heating small stereo sound quality is good for small bluetooth speakers
Product Description
Output power 6W+6W double channel stereo
Speaker impedance: 6 ohm, 8 ohm
Power supply voltage: 5VDC or 3.7v lithium battery (connecting too long in use)
Power supply current: full power over 1A (the power supply current is not enough, and the sound will be interrupted when the volume is turned on during use)
Charging interface: under the power supply of lithium battery, the charging interface is 5v power supply or the mobile phone charger can charge a single lithium battery
(maximum limit voltage of charging management circuit to battery 4.2VDC)
Friendly reminder: when sliding switch ON, Micro USB port is the charging port, which can only work with lithium battery power. When sliding switch OFF, Micro USB port is the power supply port, so it can work without lithium battery.
Please check the power supply when the product is turned on at high volume and the speaker is off.If the output current of the power supply is insufficient, the intermittent sound will appear. Users who do not know about it should not buy it.Low impedance speakers are not recommended.
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