Build Crystal-Clear Audio Projects Without the Bulk

Finding a high-performance audio amplifier that fits into a compact 3D-printed enclosure or miniature electronic device can be a challenge. Bulky components often come with frustrating background noise and complicated power requirements. The PAM8406 Class D Mini Amplifier Board solves this by delivering robust, interference-free sound in a footprint smaller than a postage stamp.

Backed by our decades of experience supplying reliable electronic components, we recommend this board for anyone looking to achieve professional-grade audio in a DIY setting.

Zero Background Noise, Pure Sound Quality

Nothing ruins a custom speaker build faster than a constant static hiss. This amplifier module features exceptional built-in noise suppression. Even without an active audio input, you can place your ear directly against the speaker and hear absolute silence. When the music starts, the unique Class D digital architecture delivers rich, powerful audio without the need for an external LC filter.

Designed for True Flexibility and Efficiency

Whether you are building a custom desktop speaker, repairing legacy electronics, or designing a STEM prototype, this board adapts to your needs. It drives both 4Ω and 8Ω speakers with ease and runs effortlessly on a standard 2.5V to 5V power supply—meaning you can power your entire audio project using a simple computer USB port or a standard power bank.

Premium Build for Long-Lasting Performance

Machine-soldered for precision, this board outperforms hand-soldered alternatives in both durability and thermal efficiency. The double-sided wiring layout actively prevents ground potential imbalances and channel crosstalk, ensuring your stereo sound remains perfectly separated and distortion-free.

⚠️ CRITICAL WARNING: To prevent permanent damage to the IC, the "negative" terminals of the left and right channel outputs MUST NOT be connected together. Always connect your speakers (the load) BEFORE applying power.