MAX98357 I2S Audio Amplifier Module – 3W Class-D Digital Audio Amplifier

The MAX98357 I2S Audio Amplifier Module is a compact, high-efficiency Class-D digital audio amplifier designed for projects requiring high-quality sound output from microcontrollers and single-board computers. Featuring an integrated digital-to-analog converter (DAC) and I2S audio interface, this module eliminates the need for external DAC circuitry while delivering crystal-clear audio performance.

Ideal for DIY audio projects, IoT devices, smart speakers, voice assistants, embedded systems, and Raspberry Pi or ESP32-based applications, the MAX98357 provides up to 3W output power to drive 4Ω or 8Ω speakers with excellent sound quality and low power consumption.

Key Features

• Integrated I2S Digital Audio Interface

• Built-in High-Quality DAC

• 3W Mono Class-D Audio Output

• Supports 4Ω and 8Ω Speakers

• Low Power Consumption

• Compact and Lightweight Design

• Excellent Noise Immunity

• Compatible with ESP32, Raspberry Pi, Arduino (I2S-capable), STM32, and other microcontrollers

• No External DAC Required

• Efficient Class-D Amplification with Minimal Heat Generation

Technical Specifications

Applications

• Smart Speakers

• Voice Assistant Devices

• Raspberry Pi Audio Projects

• ESP32 Audio Applications

• IoT Sound Systems

• Portable Audio Devices

• Embedded Audio Systems

• DIY Electronics Projects

• Home Automation Announcements

• Interactive Exhibits and Prototypes

Package Includes

• 1 × MAX98357 I2S Audio Amplifier Module

Why Choose the MAX98357 Audio Amplifier Module?

The MAX98357 module offers a simple and efficient solution for adding high-quality digital audio output to your electronics projects. With its integrated DAC, direct I2S connectivity, and powerful Class-D amplification, it delivers clear sound while minimizing component count, power consumption, and board space requirements.