Bluetooth 4.2 Audio Sender/Empfänger Modul

• Module type: Bluetooth Digital Amplifier
• Module. Main chip: PAM8403.
• Power supply: DC 5V, can be powered via USB.
• Output power: 3W + 3W (stereo dual-channel).
• Speaker impedance: 4?8 ohms.
• Built-in decoding and amplification, Bluetooth audio streaming, stereo output, and volume control.

Connect the power supply and speakers.

Connect the DC 5V power supply to the designated input terminals on the board. The power can be supplied via a USB cable.
Connect the two speakers (left and right channels) to the speaker output terminals. Use speakers with a 4?8 ohm impedance and a maximum power of 3W each.

Caution:

Ensure the polarity is correct for the power input to avoid damaging the module.

Power on the board.

A blue LED indicator on the module will blink, indicating that the module is powered on and waiting for a Bluetooth connection.

Pair with a Bluetooth device.

On your smartphone, computer, or other audio device, enable Bluetooth and search for new devices.
Select the device named "Bluetooth" from the list to connect.
The blue LED will turn solid, confirming a successful connection.

Control playback and volume.

You can now play music from your device and the audio will be wirelessly transmitted to the  module and played through the connected speakers.

Control the volume and skip tracks using the onboard buttons:

• VOL+ button: Short press for the next track, long press to increase volume.
• VOL- button: Short press for the previous track, long press to decrease volume.