SmartElex MAX98357A I2S Audio Breakout Amplifier for Raspberry Pi and Microcontrollers

The SmartElex MAX98357A I2S Audio Breakout is a compact digital audio amplifier that delivers clear and powerful sound for your Raspberry Pi or microcontroller projects.

It converts I2S digital signals directly into high-quality analog audio output, eliminating the need for a DAC. With up to 3.2W output power, adjustable gain settings, and efficient Class D amplification, this breakout board is perfect for portable and battery-powered audio setups.

It’s a reliable choice for DIY audio enthusiasts looking for an easy-to-use breakout board or a high-performance USB to serial converter alternative in digital sound applications.

Features:

• Powered by the MAX98357A Class D amplifier chip for superior sound clarity and efficiency.
• Supports I2S digital audio input without needing an MCLK signal.
• Provides up to 3.2W output power at 4Ω with 5V supply, ideal for small speakers.
• Adjustable gain levels from 3dB to 15dB for flexible volume control.
• Integrated click-and-pop suppression ensures clean, noise-free playback.
• Built-in thermal shutdown and short-circuit protection for safe operation.
• Compact and lightweight design makes it ideal for portable projects.