This compact breakout board makes it easy to add high-quality audio output to your microcontroller projects using the MAX98357A/B Class D audio amplifier. Perfect for Arduino, ESP32, Raspberry Pi, or any microcontroller with I2S output capabilities.
Features
High-Performance Audio: Delivers Class AB audio quality with Class D efficiency (92% efficient at 1W)
Powerful Output: 3.2W into 4Ω speakers at 5V supply
Clean Sound: Low distortion (0.013% THD+N at 1kHz)
Wide Supply Range: Operates from 2.5V to 5.5V
Simplified I2S Interface: No MCLK required, just BCLK, LRCLK, and DIN
Selectable Gain: Solder jumpers for easy gain selection (3dB, 6dB, 9dB, 12dB, or 15dB)
Channel Selection: Configure for left, right, or combined (mono) output
Filterless Design: No need for external output filtering components
Compact Form Factor: Minimal board space with optimized layout
Applications
Smart speakers and voice assistants
Portable audio devices
IoT audio projects
Gaming devices and sound effects
Educational audio projects
Digital instrument amplification
The FLUX MAX98357 breakout board requires only three I/O pins plus power, making it the perfect audio solution for projects where simplicity and sound quality matter.
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