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

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

The PAM8403 Digital Stereo Class-D Amplifier Board is a compact and energy-efficient audio module, perfect for a wide range of small speaker applications. Operating on a low-voltage power 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 an impressive 85% efficiency, it's an ideal choice for portable and energy-conscious audio projects. Unlike traditional amplifiers, its unique LC filter-free Class-D design provides high-quality audio with minimal noise. It can directly drive 4Ω or 8Ω small speakers, simplifying your setup. This board is perfect for DIY audio systems, embedded sound solutions, and various 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 power for high-quality audio.
• Low Voltage Operation: Compatible with 2.5V-5V power supplies, including USB.
• High Efficiency: Achieves 85% amplification efficiency for energy-saving performance.
• LC Filter-Free Design: Provides clean sound output without requiring additional filter components.
• Compact Size: Ideal for integration into portable and embedded audio projects.

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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