MAX98357 I2S Digital Audio Amplifier Module

MAX98357 I2S Digital Audio Amplifier Module

MAX98357 I²S Digital Audio Amplifier Module — a compact yet powerful Class-D amplifier solution that bridges your microcontroller to high-quality sound.

MAX98357A chip, this module accepts I²S digital audio signals directly, converting them to amplified output with excellent efficiency and low heat. Its Class-D design ensures minimal power loss while delivering up to 3W of clean audio, perfect for portable audio projects, interactive voice systems, educational kits, and embedded sound devices. This module integrates seamlessly with popular platforms like Raspberry Pi, Arduino, ESP32, and other I²S-enabled controllers. Whether you’re building smart speakers, IoT audio notifiers, or custom multimedia interfaces, this amplifier module gives you punchy, distortion-free sound in a tiny footprint.

This module is widely used in ESP32, Raspberry Pi, and Arduino-based audio systems. It converts digital I2S signals into high-quality mono audio output capable of driving 4Ω or 8Ω speakers with up to 3W power output.