CJMCU-8406 PAM8406 Stereo Class D Audio Amplifier Module

The CJMCU-8406 PAM8406 is a compact, high-efficiency stereo Class D audio power amplifier module built around the PAM8406 IC. Designed for makers, electronics hobbyists, and developers, this SMD-packaged development board delivers clean, low-interference stereo audio output — making it an excellent choice for DIY speakers, portable audio projects, computer audio applications, and embedded systems.

Its filterless Class D architecture maximizes power efficiency while minimizing heat generation, keeping your builds compact and reliable. Whether you're prototyping a portable speaker, adding audio to a microcontroller project, or building a custom audio module, the CJMCU-8406 gives you professional-grade amplification in a tiny footprint.

Key Features

PAM8406 IC: High-efficiency, low-noise stereo Class D audio amplifier
Low Interference Output: Filterless design reduces electromagnetic interference for cleaner audio
Stereo Channels: Dual-channel output for true stereo sound reproduction
Compact SMD Package: Space-saving design ideal for embedded and portable builds
Development Board Format: Ready-to-integrate with breadboards, microcontrollers, and custom PCBs
Application: Compatible with computers, microcontrollers, Raspberry Pi, Arduino, and more
Condition: Brand new
Customizable: Yes — available in 1-piece or 5-piece quantities

Specifications

IC: PAM8406
Type: Stereo Class D Audio Power Amplifier
Package: SMD (Surface Mount Device)
Application: Computer / Embedded / DIY Audio
Quantity Options: 1PCS / 5PCS

What's in the Box

1× or 5× CJMCU-8406 PAM8406 Stereo Class D Amplifier Module (as selected)

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Frequently Asked Questions

Q: What is the CJMCU-8406 PAM8406 stereo Class D audio amplifier module used for?

A: The CJMCU-8406 PAM8406 is a compact stereo Class D audio power amplifier development board primarily used in DIY audio projects, portable speaker builds, computer audio setups, Arduino/Raspberry Pi projects, and other embedded electronics applications where efficient, low-interference stereo audio amplification is needed.

Q: What does "Class D" mean in this audio amplifier module?

A: Class D refers to a switching amplifier topology that is highly power-efficient compared to traditional Class A or AB amplifiers. The PAM8406 uses a filterless Class D design, which means it can drive speakers directly with minimal external components while producing clean stereo audio output with low electromagnetic interference.

Q: Is this module compatible with Arduino, Raspberry Pi, or other microcontrollers?

A: Yes! The CJMCU-8406 PAM8406 development board is designed to be easily integrated with popular platforms like Arduino, Raspberry Pi, ESP32, and other microcontroller-based systems, making it a versatile choice for a wide range of DIY electronics and audio projects.

Q: How many units can I order at once?

A: This module is available in a single unit (1PCS) or a value pack of five units (5PCS), so you can stock up for multiple projects or prototypes at a lower per-unit cost.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.