2 Channel Amplifier with Speaker – PAM8403

The 2 Channel Amplifier with Speaker – PAM8403 is a compact stereo audio amplifier module designed to deliver clear, high-quality sound with low power consumption. It is based on the PAM8403 Class-D amplifier IC, which can provide up to 3W + 3W output power when powered with a 5V DC supply and connected to 4Ω speakers. The module is highly efficient, producing minimal heat while delivering excellent audio performance, making it ideal for portable and battery-powered applications.

This amplifier module is capable of driving two speakers simultaneously, providing true stereo audio output. The included speakers make it a convenient solution for audio demonstration projects, DIY sound systems, educational experiments, and embedded electronic applications. Its compact size allows it to be easily integrated into small enclosures, prototype boards, and custom electronic designs.

The PAM8403 amplifier operates from a 2.5V to 5.5V DC power supply, making it compatible with USB power, lithium batteries, Arduino boards, Raspberry Pi, and other 5V power sources. It features low distortion, high signal-to-noise ratio, and high efficiency, ensuring clean and stable sound output without the need for a large heat sink.

The module is widely used in portable speakers, multimedia devices, MP3 player amplifiers, Bluetooth speaker projects, DIY audio systems, and microcontroller-based sound applications. Its simple connection interface makes installation quick and easy for beginners, hobbyists, technicians, and engineers.

With its reliable performance, compact design, and excellent audio quality, the 2 Channel PAM8403 Amplifier with Speaker is an ideal choice for anyone looking to add stereo sound amplification to electronic projects.

Features

• Based on PAM8403 Class-D amplifier IC
• Stereo 2-channel audio output
• Output Power: Up to 3W + 3W
• Operating Voltage: 2.5V to 5.5V DC
• High efficiency with low power consumption
• Low distortion and low noise output
• Compact and lightweight design
• No heat sink required under normal operation
• Easy integration with Arduino, Raspberry Pi, and DIY projects