PAM8403 3W Micro USB Amplifier Module

PAM8403 3W Micro USB Stereo Amplifier Module is a compact digital audio amplifier module with dual-channel stereo output. It is designed for small speaker applications and supports direct power input through a Micro USB power jack. The module uses the PAM8403 chip and a Class-D amplifier design. It can be powered from 2.5-5V DC. The board offers high efficiency and low distortion with low noise. Its miniature size makes it suitable for internal use in digital projects and electronics builds.

Features of PAM8403 3W Micro USB Stereo Amplifier Module

• Dual-channel stereo output
• 3W output power
• Micro USB power jack
• Class-D amplifier design
• Low-noise operation
• High efficiency
• Compact miniature board

Specifications of PAM8403 3W Micro USB Stereo Amplifier Module

• Chip: PAM8403
• Power supply: 2.5-5V DC
• Output power: 3W
• Power connector: Micro USB
• Efficiency: Above 85%
• Color: Green
• Size: 21x22 mm
• Input voltage: 3.4V ~ 5V
• Output power: 2x3W
• Class type: Class-D Amplifier
• Output impedance: 4, 8
• Size: 21mm x 21mm

How to Use PAM8403 3W Micro USB Stereo Amplifier Module

1. Connect power through the Micro USB jack or compatible DC supply.
2. Attach the audio input and small speakers to the module.
3. Use the module in your electronics or audio project.

More Info

• Suitable for Arduino-based projects.
• Designed for small 4 ohm or 8 ohm speakers.