HF69B 6W+6W 2 Channel Stereo Bluetooth Speaker Amplifier Board Power By DC 5V Or 3.7V

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: 6 ohms, 8 ohms (if the horn impedance is too small, there will be a phenomenon of amplifying volume then staccato)
Supply voltage: 5V DC or 3.7V lithium battery (during use, 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 the 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 a battery is 4.2VDC by the charging management circuit).