MAX98357 I2S 3W Class-D Audio Amplifier Decoder Module for ESP32, Raspberry Pi & Arduino

Add high-quality digital audio output to your embedded projects with the MAX98357 I2S 3W Class-D Audio Amplifier Decoder Module. Based on the powerful MAX98357A DAC and Class-D amplifier, this compact module converts digital I2S audio signals directly into amplified speaker output, eliminating the need for an external DAC or amplifier.

The module is ideal for projects involving ESP32, Raspberry Pi, STM32, Arduino, and other microcontrollers that support the I2S protocol. With support for mono audio output up to 3W, it is perfect for smart speakers, voice assistants, audio playback systems, IoT devices, and DIY multimedia projects.

Its efficient Class-D architecture ensures low power consumption while delivering clear and distortion-free sound, making it suitable for both hobbyist and professional applications.

🚀 Key Features

• Based on the MAX98357A I2S Audio DAC Amplifier IC
• Converts digital I2S audio directly to speaker output
• Built-in 3W Class-D audio amplifier
• No external DAC required
• Compact and lightweight design
• High-efficiency, low-power operation
• Compatible with ESP32, Raspberry Pi, STM32, and Arduino
• Excellent audio quality with minimal distortion
• Simple 3-wire I2S interface

📦 Package Includes

• 1 × MAX98357 I2S 3W Class-D Audio Decoder Module

📊 Technical Specifications

• IC: MAX98357A
• Input Interface: I2S Digital Audio
• Output Power: Up to 3W
• Amplifier Type: Class-D
• Supply Voltage: 2.5V – 5.5V DC
• Audio Output: Mono Speaker Output
• Signal-to-Noise Ratio (SNR): High-performance audio output
• Compatibility: ESP32, Raspberry Pi, STM32, Arduino

💡 Recommended Applications

• ESP32 Audio Projects
• Smart Speakers
• Voice Assistant Systems
• IoT Audio Devices
• Raspberry Pi Audio Playback
• MP3 and WAV Player Projects
• Home Automation Announcements
• Interactive Robotics
• Digital Sound Effects Systems

🌟 Why Choose the MAX98357 Audio Module?

• Direct digital audio playback via I2S
• Built-in DAC and amplifier in a single module
• Excellent audio quality with low noise
• Easy integration with ESP32 and Raspberry Pi
• Compact design for space-constrained projects
• Perfect for voice, music, and notification applications