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Upgrade your DIY audio projects with the ElectroSys PAM8403 Mini Audio Amplifier Board. This compact and powerful amplifier module features a 5V input with 3W+3W dual-channel stereo output, delivering clear and high-quality sound for small speaker systems.Specially designed for electronics hobbyists and DIY enthusiasts, this audio amplifier board is perfect for MP3 players, Bluetooth speaker projects, home audio systems, and science experiment kits.The PAM8403 Amplifier Board uses a Class D high-efficiency circuit that ensures low heat generation and energy-saving performance even during long hours of usage. With its simple design and easy-to-connect terminals, this module makes your DIY audio project quick and hassle-free.This pack includes 5 pieces of high-quality amplifier boards, making it ideal for multiple projects or bulk DIY applications.