PAM8403 Amplifier

The PAM8403 is a high-efficiency 3W Class-D stereo audio amplifier IC, ideal for battery-powered portable audio devices. It operates from a single 2.5V to 5.5V power supply, making it perfect for Arduino, Raspberry Pi, and other low-voltage electronics projects. This amplifier features a filterless architecture that reduces external component count and board size while delivering clear, high-quality sound with low THD+N. Common applications include mini speakers, Bluetooth speaker builds, intercoms, and toy audio systems. Choose this module for its compact size, built-in thermal protection, and ability to drive two 3W+3W stereo channels with minimal power consumption, ensuring long battery life and reliable performance in your DIY electronics.