DFROBOT MAX98357 I2S Digital Amplifier Module 5V
Compact I2S digital amplifier module for ESP32 & microcontrollers. Over 2.5W output, 3.3-5V supply, SMT/DIP mounting. Ideal for IoT audio.
The DFROBOT MAX98357 I2S Digital Amplifier Module is a compact and versatile audio solution designed for microcontroller-based projects. Based on the MAX98357A, a high-performance Class D amplifier from Analog Devices, this module delivers exceptional audio quality and efficiency. It is perfectly suited for use with microcontrollers featuring I2S audio outputs, such as the popular ESP32, enabling seamless integration into a wide array of digital audio applications.
Key Features & Flexibility
The module operates on a flexible 3.3V to 5V power supply, making it compatible with a broad range of development boards and power sources. When powered by 5V and connected to a 4Ω speaker, it can output over 2.5W of power, providing ample volume for most embedded applications. A standout feature is its user-configurable channel mode, allowing you to set the output to off, left channel, right channel, or mixed stereo by simply adjusting a resistor on the SD port; it defaults to the convenient mixed mode.
Designed for Easy Integration
Featuring a compact 18mm x 18mm footprint, this amplifier is built for easy prototyping and final product integration. Its stamp-hole design supports both Surface-Mount Technology (SMT) and Dual In-line Package (DIP) mounting, allowing it to be directly soldered onto a PCB or used on a breadboard. For speaker connection, it offers dual options: a convenient PH2.0 connector or direct soldering via stamp holes, providing maximum flexibility during development and installation.
Ideal Applications
This I2S amplifier module opens up possibilities for adding high-quality audio to numerous projects. It is an excellent choice for building Bluetooth audio players, IoT nodes with audio feedback, smart home devices for voice interaction, and robotic devices requiring sound effects or spoken alerts. Its robust design ensures reliable operation across a wide temperature range from
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