PAM8403 5V Mini Digital Amplifier Board

Experience powerful audio in a pocket-sized package with the PAM8403 5V Mini Digital Amplifier Board. This ultra-compact Class-D amplifier delivers crystal-clear stereo sound with remarkable efficiency, making it the perfect choice for portable and space-conscious audio projects.

Key Features:

• Ultra-mini digital amplifier - incredibly compact footprint
• Class-D digital amplification for superior efficiency
• Dual-channel stereo output: 3W + 3W
• USB 5V powered - works with power banks and USB chargers
• Efficiency up to 90% - stays cool during operation
• Onboard volume control potentiometer
• Filterless design minimizes external components
• Low EMI and excellent audio fidelity
• Simple plug-and-play installation

Technical Specifications:

• IC Chip: PAM8403 Class-D
• Power Output: 3W × 2 (stereo)
• Supply Voltage: DC 5V (USB compatible)
• Efficiency: 85-90%
• Frequency Response: 20Hz - 20KHz
• Speaker Impedance: 4Ω or 8Ω
• THD+N: <10% (at 1KHz, 1W)
• Ultra-compact PCB design

Ideal Applications: Portable Bluetooth speakers, mini boomboxes, laptop/tablet speakers, DIY USB speakers, Arduino and Raspberry Pi audio projects, battery-powered speakers, and any project where size and efficiency matter. Perfect for makers, hobbyists, and audio enthusiasts!