PAM 8403 - 5v Digital Stereo Class-D Amplifier Board 2 Channel - PAM8403

PAM8403 5V Digital Stereo Class-D Amplifier Board 2x3W

The PAM8403 Digital Stereo Class-D Amplifier Board is a compact, energy-efficient audio module. It's ideal for a wide range of small speaker applications. Operating on a low-voltage supply from 2.5V to 5V, it's easily powered by USB or batteries. This amplifier delivers a robust 3W per channel, ensuring clear and powerful stereo sound. With 85% efficiency, it's perfect for portable and energy-conscious audio projects. Its LC filter-free Class-D design provides high-quality audio with minimal noise. It directly drives 4Ω or 8Ω small speakers, simplifying your setup. This board is excellent for DIY audio systems, embedded sound, and battery-powered applications.

Specifications:

• Model: PAM8403
• Input Voltage: 2.5V-5V DC
• Working Mode: Class-D (PWM modulation type)
• Output Power: 3W + 3W (Stereo)
• Impedance Support: 4Ω / 8Ω speakers
• Efficiency: 85%
• Board Dimensions: 21mm x 18mm x 2.6mm

Key features and benefits:

• Dual-Channel Stereo Output: Delivers 3W + 3W for high-quality audio.
• Low Voltage Operation: Compatible with 2.5V-5V DC power, including USB.
• High Efficiency: Achieves 85% amplification for energy-saving performance.
• LC Filter-Free Design: Provides clean sound output without extra filter components.
• Compact Size: Ideal for integration into portable and embedded audio projects.
• Direct Speaker Drive: Supports 4Ω or 8Ω small speakers directly.

Applications:

• USB-powered mini audio systems and desktop speakers
• Portable speakers and custom DIY music projects
• Embedded sound modules for toys, gadgets, and smart devices
• Battery-powered amplification solutions for mobile applications

Package Includes:

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