Product Name: Bluetooth Power Amplifier Module
Model: XH-A251
Audio input: Bluetooth input (0-10 meters)
Audio output: 5W*2 dual channel
Input voltage: DC5V
Power connector: Android Micro USB
Product size: 50*35*8MM
Mounting hole distance: 42*28mm phi3MM
Bluetooth connection steps:
1. Turn on the phone Bluetooth search device (XH-Electronics)
2. Connect Bluetooth
3. Play music
4.When the power amplifier board is connected to the power supply and the Bluetooth is not connected, the Bluetooth indicator will flash rapidly. When the Bluetooth connection is successful, the Bluetooth indicator will stop flashing. When the song is played, the Bluetooth indicator will flash slowly.
Volume adjustment button:
The power amplifier board comes with a volume adjustment button, short press "-", switch the next song, long press the volume to decrease; short press "+" to switch the previous song, long press the volume to increase.
Two-channel output pad:
Two-channel output pad, freely soldering various terminals, can also be used directly for wiring, convenient and simple.