MAX98357A I2S Digital Audio Amplifier Module 3W Class-D Mono DAC Amp for ESP32 Raspberry Pi Arduino
RS.700
Sale price
RS.700
Regular price
RS.
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MAX98357A I2S Digital Audio Amplifier Module 3W Class-D Mono DAC Amp for ESP32 Raspberry Pi Arduino
RS.700
Sale price
RS.700
Regular price
RS.
Product Overview
The MAX98357A I2S Digital Audio Amplifier Module is a compact digital Class-D audio amplifier with an integrated DAC. It accepts I2S digital audio input directly from ESP32, Raspberry Pi, STM32, and other compatible microcontrollers, delivering up to 3W mono audio output with excellent sound quality and high efficiency.
Description
The MAX98357A I2S Digital Audio Amplifier Module is an easy-to-use digital audio solution for embedded electronics and IoT projects. Unlike traditional analog amplifier modules, the MAX98357A receives digital audio through the I2S interface, eliminating the need for an external DAC.
This module integrates a high-quality DAC and a 3W Class-D amplifier into a single compact board, making it ideal for ESP32, Raspberry Pi, Arduino (with I2S support), STM32, and other microcontroller platforms.
Its efficient Class-D design provides clear mono audio while consuming low power, making it suitable for portable and battery-powered applications.
Whether you are building smart speakers, voice assistants, IoT audio devices, DIY music players, or embedded audio systems, the MAX98357A module offers a reliable and simple digital audio solution.
Key Features
- Original MAX98357A Digital Audio Amplifier IC
- Built-in High-Quality DAC
- I2S Digital Audio Input
- Class-D Mono Audio Amplifier
- Up to 3W Speaker Output (depending on supply voltage and speaker)
- High Efficiency Design
- Low Power Consumption
- Compact PCB Module
- Excellent Audio Quality
- Easy Integration with ESP32 and Raspberry Pi
Applications
- ESP32 Audio Projects
- Raspberry Pi Audio Output
- Smart Speakers
- Voice Assistant Devices
- IoT Audio Systems
- Home Automation
- Digital Music Players
- Embedded Audio Applications
- Educational Projects
- DIY Electronics
Technical Specifications
| Specification | Details |
|---|---|
| IC | MAX98357A |
| Audio Interface | I2S |
| Output Type | Mono |
| Amplifier Type | Class-D |
| Integrated DAC | Yes |
| Output Power | Up to 3W (application dependent) |
| Supply Voltage | 2.5V–5.5V |
| Speaker Support | 4Ω–8Ω |
Package Includes
- 1 × MAX98357A I2S Digital Audio Amplifier Module
Advantages
- No external DAC required
- Digital audio interface
- Excellent sound quality
- Low EMI Class-D design
- Compact module
- Easy wiring
- Low power consumption
- Compatible with popular development boards
Frequently Asked Questions
Is this compatible with ESP32?
Yes. The MAX98357A is widely used with ESP32 via the I2S interface.
Does it work with Raspberry Pi?
Yes. Raspberry Pi supports I2S audio output, making this module an excellent choice.
Can I connect headphones directly?
No. This module is designed for driving speakers rather than headphones.
Does it include a DAC?
Yes. The MAX98357A integrates a high-quality DAC internally.