The MAX98357A I2S DAC Class-D Mono Amplifier Module is a high-efficiency digital audio solution designed for modern embedded systems. It accepts I2S digital audio input directly from microcontrollers such as Arduino, ESP32, Raspberry Pi, STM32, and similar platforms, eliminating the need for a separate DAC.
Featuring an integrated Class-D amplifier, the module can directly drive an 8Ω or 4Ω speaker with excellent efficiency and low power consumption. Its compact size, low heat generation, and simple wiring make it ideal for portable devices, IoT projects, voice-enabled systems, and DIY audio applications.
This module is especially popular in projects requiring clear mono audio output from digital sources with minimal design complexity.
Key Features
- Audio IC: MAX98357A
- Audio Input: I2S (Digital Audio Interface)
- Output Type: Mono Class-D Amplifier
- Output Power: Up to 3W (5V, 4Ω speaker)
- Supply Voltage: 2.5V – 5.5V
- High efficiency, low heat dissipation
- No external DAC required
- Supports left, right, or mixed mono audio
- Compact and breadboard-friendly design
Applications
- ESP32 / Arduino / Raspberry Pi audio projects
- Smart speakers and voice assistants
- IoT devices with audio feedback
- Portable audio systems
- Embedded sound playback modules
- Educational and DIY electronics projects
Available at Microspark Store – Your Trusted Electronic Component Store! At Microspark Store, we ensure every product is quality-checked and tested before shipping, so you can buy with confidence and start building without worries.
Please Note: Product information has been collected from various sources across the web. While we have made every effort to ensure the accuracy of the information presented, slight variations may still occur. Kindly verify the specifications and compatibility before using this module in your projects.
Disclaimer: Images shown are for illustration only and may not exactly represent the final product. Minor differences may occur due to lighting, display variations, or manufacturer updates. We reserve the right to make changes to the product without prior notice.
