The PAM8406 Digital Amplifier Board is a compact and high-efficiency Class-D stereo audio amplifier module capable of delivering up to 5W + 5W output power from a standard 5V power supply. Designed around the PAM8406 amplifier IC, this module provides clear audio amplification with low distortion and excellent noise suppression, making it ideal for portable speakers, Bluetooth audio systems, DIY sound projects, and embedded audio applications.

The board features independent left and right channel volume controls, allowing precise adjustment of stereo output levels. Its filterless Class-D architecture provides high efficiency (up to 90%), reduced heat generation, and compact size, making it suitable for battery-powered and USB-powered devices. The module can directly drive 4Ω or 8Ω speakers without requiring bulky external components.

Built with dual-channel stereo output and machine-soldered construction, the PAM8406 amplifier board ensures reliable performance and excellent sound quality. Its miniature design allows easy integration into small electronic enclosures, portable music players, smart speakers, intercom systems, and educational electronics projects.

Features

• PAM8406 Class-D Digital Amplifier IC
• Stereo Output: 5W + 5W
• Independent Left & Right Volume Control
• High Efficiency up to 90%
• Low Noise and Low Distortion Audio
• Directly Drives 4Ω and 8Ω Speakers
• Compact and Lightweight Design
• USB and Battery Powered Operation
• Low Heat Generation
• Easy Integration into DIY Projects

Technical Specifications

• Amplifier Chip: PAM8406
• Output Power: 5W + 5W
• Operating Voltage: 2.5V – 5.5V
• Recommended Voltage: 5V DC
• Speaker Impedance: 4Ω – 8Ω
• Audio Channels: Stereo (Dual Channel)
• Amplifier Type: Class-D
• Volume Control: Dual Potentiometers
• High Signal-to-Noise Ratio
• Compact PCB Design

Applications

• Bluetooth Speakers
• Portable Audio Systems
• DIY Amplifier Projects
• Arduino Audio Projects
• MP3 Player Amplification
• Home Audio Systems
• Educational Electronics Projects
• Embedded Audio Devices
• Intercom Systems
• Battery-Powered Sound Systems