PAM8406 Audio Amplifier (2X5W Digital Stereo Speakers)

Overview

The PAM8406 Audio Amplifier is a compact, high-efficiency Class-D stereo amplifier module that delivers 2 x 5W of clean audio power. Designed for makers, hobbyists, and electronics enthusiasts, this module operates from a simple 2.5V to 5V power supply, making it perfect for USB-powered projects, portable speakers, and battery-operated devices. With built-in volume controls and robust protection features, the PAM8406 is the ideal choice for upgrading your audio projects with minimal components and maximum sound quality.

Key Features

• High-Efficiency Class-D Operation: Provides up to 85% efficiency, ensuring minimal power loss and extended battery life.
• Dual 5W Output: Drives two speakers (2Ω to 8Ω) with crisp, clear stereo sound.
• Wide Operating Voltage: Works from 2.5V to 5V, allowing flexible powering from USB ports, Li-ion batteries, or standard 5V adapters.
• Independent Volume Controls: Separate left and right channel volume knobs for precise audio balancing.
• Built-in Protection: Short-circuit and over-temperature protection safeguard the module and your speakers.
• Low Noise Suppression: Integrated noise suppression ensures clean audio output even at high volumes.
• Compact and Breadboard-Friendly: Small form factor with pin headers for easy integration into your projects.

Technical Specifications

• Amplifier IC: PAM8406
• Output Power: 2 x 5W (max) at 4Ω, 5V supply
• Supply Voltage: 2.5V – 5V DC
• Load Impedance: 2Ω – 8Ω
• Efficiency: Up to 85%
• Protection Features: Short-circuit, over-temperature
• Noise Suppression: Yes
• Controls: Left and right channel volume knobs
• Input: Stereo audio input (3.5mm jack or solder pads)
• Dimensions: Compact module with pin headers

Applications & Use Cases

• DIY Portable Speakers: Build your own Bluetooth or wired speaker systems.
• Maker Projects: Add audio output to Arduino, Raspberry Pi, or other microcontroller projects.
• Upgrading Existing Speakers: Replace weak amplifiers with a more powerful, efficient solution.
• Educational Electronics: Perfect for teaching audio amplification and Class-D concepts.
• Repurposing Old Speakers: Give new life to salvaged speakers.

What's Included

• 1x PAM8406 Audio Amplifier Module (with volume control knobs)
• (Note: Speakers, power supply, and audio source not included)

Compatibility

• Power Sources: USB port (5V), 3.7V Li-ion battery, 5V adapter, or any 2.5-5V DC source.
• Audio Sources: Smartphones, MP3 players, computers, microcontrollers with audio output, and more.
• Speakers: 2Ω to 8Ω impedance, up to 5W each.
• Development Boards: Works seamlessly with Arduino, Raspberry Pi, ESP32, and other logic-level audio sources.

MOKWN Recommendation

For Egyptian makers and hobbyists, the PAM8406 is a must-have for any audio project. Its efficiency, compact size, and ease of use make it the go-to amplifier for portable and desktop builds. Whether you're a student learning electronics or a professional prototyping, this module delivers reliable performance at an unbeatable price. Order yours today and bring your audio creations to life!