This module is a great extension to convert low-power signals to high-power Stereo Audio output.

It is fully compatible with Arduino and Rasberri PI but care needs to be taken to ensure the cathode does not touch the power supply directly and that the power supply is not more than 5.5V or the chip may be damaged.

The PAM8403 is a mini digital stereo audio power amplifier module that is capable of amplifying audio signals to produce a louder sound. It is a small, low-power module that is commonly used in a variety of applications, including portable speakers, headphones, and other audio systems.

The PAM8403 module is a 3W amplifier that is able to amplify audio signals with a frequency range of 20Hz to 20kHz. It has a low noise level and is able to produce high-quality audio output. The module is easy to use and can be easily integrated into a variety of projects.

The PAM8403 module is a widely used device that is known for its reliability and performance. It is often used in combination with other electronic components, such as microphones, speakers, and audio sources, to build audio systems and devices. It is a popular choice for portable audio applications due to its small size and low power consumption.