MAX98357A I2S 3W Class D Amplifier Module
Elevate Your Audio Projects with Pure, Efficient Sound!
Unlock crisp, powerful audio for your DIY electronics, portable speakers, or IoT devices with the MAX98357A I2S Class D Amplifier Module. Designed for simplicity and performance, this compact board delivers up to 3W of high-fidelity sound with ultra-low distortion, making it the perfect choice for makers, hobbyists, and audio enthusiasts.
Key Features:
🔊 3W Class D Amplifier
Drive speakers effortlessly with efficient, high-quality audio output (3W into 4Ω at 5V). Perfect for portable devices, robots, or embedded systems.
🔌 I2S Digital Interface
Seamlessly integrate with Raspberry Pi, ESP32, Arduino, and other microcontrollers using the I2S protocol—no analog signal degradation!
🔋 Ultra-Low Power Consumption
Class D efficiency ensures minimal heat and extended battery life for mobile projects. Operates at 2.5V–5.5V for flexibility.
🎛️ Plug-and-Play Design
No complex wiring! Built-in digital-to-analog converter (DAC) and automatic gain control simplify setup. Just connect, power up, and play.
🔇 Zero Pop/Click Noise
Advanced circuitry eliminates annoying startup/shutdown pops, ensuring smooth audio transitions.
Technical Specifications:
- Output Power: 3W (4Ω, 5V), 2.4W (8Ω, 5V)
- SNR: >90dB (signal-to-noise ratio)
- THD+N: <0.03% (total harmonic distortion + noise)
- Input Voltage: 2.5V–5.5V DC
- Interface: I2S, left/right channel select
- Dimensions: 20mm x 20mm (compact PCB)
Ideal For:
- Portable Bluetooth Speakers
- Voice Assistants & Smart Home Hubs
- Gaming Gadgets & Wearables
- Educational Audio Projects
- Robotics & Interactive Toys
Why Choose the MAX98357A?
Unlike bulky analog amplifiers, this module combines digital precision with energy efficiency in a thumb-sized package. Whether you’re prototyping a wireless speaker or adding sound to a robot, the MAX98357A delivers professional-grade audio without the complexity.
What’s Included:
- MAX98357A I2S Amplifier Board
- Breakaway Pin Headers (optional soldering)
- Access to Wiring Diagrams & Sample Code
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