Pam8403

Connect the power source to the PAM8403 amplifier board. Ensure that the voltage supplied falls within the board's accepted range of 2.5V to 5V. You have the option to use either a battery or an AC adapter as the power source.

Connect the audio source to the PAM8403 amplifier board using a 3.5mm audio cable. To establish this connection, link your phone or computer to the board, ensuring that the audio input is correctly attached to the IN+ and IN- pins on the board.

Connect your speakers or headphones to the PAM8403 amplifier board using wires. To establish this connection, link the positive and negative leads of your speakers to the corresponding OUT+ and OUT- pins on the board. Ensure the polarity is correct for proper audio output.

Power on the board by activating the connected power source. Observe the LED indicator on the board; it should illuminate, signaling that the board is successfully receiving power.

To adjust the volume, utilize the volume knob located on the board. Begin with the volume set to a lower level and then incrementally increase it until you attain your preferred audio volume.