SANWU HF69B 6W+6W Dual Channel Stereo bluetooth Speaker Amplifier Board

Description:

Product model: HF69B
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bluetooth power amplifier?board: Small standby heating,?good-quality stereo,?suitable for small bluetooth speakers.

Output power:?6W + 6W

Dimensions: 70 x 40mm

Stereo: Dual channel stereo

Applicable speaker impedance: 6 ohms, 8 ohms (if the horn impedance is too small, there will be a?phenomenon of?amplify?volume then staccato, it will be easy to burn the speaker.)

Supply?voltage: 5V DC or 3.7V lithium battery (during using, if?the connector cable is too long or the battery is dead or the voltage is too low, the volume will be slightly up then?staccato)

Supply?current: >1A (if the current is too small, turn up the volume, it will appear?staccato?phenomenon)

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).

bluetooth?interface?model:?PH2.0?2P??

Battery?interface?model:?2.54?2P ?
Note:

1. When the switch?is?ON,?the Micro USB port is the?charging port, it will work if powered by the lithium battery. When the switch is OFF,?the Micro USB port is the power supply port, it doesna??t need to connect with?lithium battery.

2. If turn up the volume during using,?the horn will?appear?staccato?phenomenon, please check the power supply.??If the output current of power supply is not enough, the intermittent sound will occur.

3. It is recommended to use the lithium battery with a protection board.
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Package included:

1 x?HF69B bluetooth amplifier board



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