Ultra-Small 2*3W DC 5V Class D Audio Module PMA8403 Amplifier Board

High-Efficiency Class D Design
Delivers 2x3W stereo output with low distortion, perfect for compact audio projects.
Premium PMA8403 Chipset
Advanced digital power processing ensures crisp, clear sound with minimal heat generation.
Ultra-Compact & Lightweight
Tiny footprint (measuring just __mm) fits seamlessly into portable speakers, DIY kits, and IoT devices.
Wide Voltage Compatibility
Stable performance at 5V DC, ideal for USB-powered gadgets, car audio, and home entertainment systems.
Professional-Grade PCB
High-quality fiberglass board with gold-plated contacts for durability and superior signal transmission.
Plug-and-Play Installation
Pre-soldered terminals and clear I/O labeling for effortless integration into amplifiers or audio accessories.
Global Wholesale Advantage
Direct factory pricing, bulk discounts, and fast shipping—your go-to source for pro audio components.
Perfect For:
Mini speakers, voice assistants, educational electronics, and custom audio upgrades. (Note: Replace "__mm" with actual dimensions for accuracy.)