Description
1-20PCS PAM8403 Audio 2x3W Mini Digital Power Amplifier Board
Elevate your audio experience with the compact and powerful PAM8403 2x3W Class‑D stereo amplifier. Designed for 5V power supplies, this mini board delivers crystal‑clear sound, low distortion, and high efficiency—perfect for DIY projects, Bluetooth speakers, car audio, and more.
Key Highlights
- Dual 3W output channels for true stereo sound
- Class‑D design ensures high efficiency and minimal heat
- Compact 2x3W footprint—ideal for space‑constrained builds
- Supports 5V power input, making it compatible with USB, Li‑Ion batteries, and most DC adapters
- Low total harmonic distortion (THD) for crisp, accurate audio
- Integrated protection circuits (over‑current, over‑temperature, short‑circuit)
- Ready‑to‑use PCB layout with solder pads and headers for quick assembly
Technical Specifications
- Chip: PAM8403
- Output Power: 2 × 3W (6W total) at 4 Ω
- Input Voltage: 4.5 V – 5.5 V
- Efficiency: Up to 80 % (Class‑D)
- Impedance: 4 Ω (recommended)
- Frequency Response: 20 Hz – 20 kHz
- Dimensions: 35 mm × 20 mm × 5 mm (approx.)
- Package: 2x3W Mini Digital Power Amplifier Board
Why Choose the PAM8403 Mini Amplifier?
Whether you’re building a portable Bluetooth speaker, upgrading a car audio system, or prototyping a new audio project, this board offers:
- Uncomplicated wiring—just connect your 5V supply and audio input.
- Reliable performance—built-in protection keeps your components safe.
- Versatility—works with a variety of audio sources (microphones, line‑level signals, digital audio).
- Cost‑effective bulk options—purchase 1–20 units to suit hobbyist or commercial needs.
Upgrade your audio setup with the PAM8403 Mini Digital Power Amplifier Board and enjoy high‑fidelity sound in a small, efficient package.
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