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

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

banggood Module Board

15.99$
12.99$
Description Product modelHF69B bluetooth power amplifier boardSmall standby heatinggood quality stereosuitable for small bluetooth speakers Output power6W 6WDimensions70 x 40mmStereoDual channel stereoApplicable speaker impedance6 ohms8 ohmsif the horn impedance is too smallthere will be a phenomenon of amplify volume then staccatoit will be easy to burn the speakerSupply voltage5V DC or 3 7V lithium batteryduring usingif the connector cable is too long or the battery is dead or the voltage is too lowthe volume will be slightly up then staccato Supply current1Aif the current is too smallturn up the volumeit will appear staccato phenomenon Charging interfaceWhen charging interface is powered by the lithium batterythe supply voltage is 5VAnd mobile phone charger can charge a single lithium batterythe maximum limitation voltage for battery is 4 2VDC by the charging management circuitbluetooth interface modelPH2 0 2PBattery interface model2 54 2P Note 1When the switch is ONthe Micro USB port is the charging portit will work if powered by the lithium batteryWhen the switch is OFFthe Micro USB port is the power supply portit doesnt need to connect with lithium battery 2If turn up the volume during usingthe horn will appear staccato phenomenonplease check the power supply If the output current of power supply is not enoughthe intermittent sound will occur 3It is recommended to use the lithium battery