DFRobot MAX98357 I2S Digital Amplifier Module 5V
DFRobot MAX98357 I2S amplifier module with 3.3V to 5V supply and over 2.5W output into a 4Ω speaker. Suited to I2S microcontroller projects.
The DFRobot MAX98357 I2S Digital Amplifier Module is a compact 5V audio amplifier that can output over 2.5W into a 4Ω speaker. Based on the MAX98357A Class D amplifier from Analog Devices, it is designed for microcontroller-based projects and is well suited to microcontrollers with I2S audio outputs, such as the ESP32. This allows digital audio to be integrated into a wide range of electronic applications.
Key Features
- Operates from a flexible 3.3V to 5V power supply
- Outputs over 2.5W into a 4Ω speaker when powered by 5V
- User-configurable channel mode: off, left channel, right channel, or mixed stereo
- Channel mode is set by adjusting a resistor on the SD port
- Defaults to mixed stereo mode
Design and Mounting
The module has a compact 18 mm x 18 mm footprint. Its stamp-hole design supports both Surface-Mount Technology (SMT) and Dual In-line Package (DIP) mounting, so it can be soldered directly onto a PCB or used on a breadboard. For speaker connection, it offers a PH2.0 connector or direct soldering via the stamp holes.
Applications
- Bluetooth audio players
- IoT nodes with audio feedback
- Smart home devices for voice interaction
- Robotic devices requiring sound effects or spoken alerts
Specifications
- Weight: 8 g
- Footprint: 18 mm x 18 mm
Choose the DFRobot MAX98357 I2S Digital Amplifier Module to add audio output to I2S-equipped microcontroller projects, with flexible power, channel configuration, and mounting options.
- Bluetooth audio players
- IoT nodes with audio feedback
- Smart home devices for voice interaction
- Robotic devices requiring sound effects or spoken alerts
- Power Supply: 3.3V to 5V
- Output Power: Over 2.5W into a 4Ω speaker when powered by 5V
- Amplifier IC: MAX98357A
- Amplifier Type: Class D
- Audio Interface: I2S
- Channel Mode: Off, left channel, right channel, or mixed stereo (set by resistor on SD port, defaults to mixed)
- Speaker Connection: PH2.0 connector or stamp holes
- Mounting: Surface-Mount Technology (SMT) or Dual In-line Package (DIP) via stamp holes
- Footprint: 18 mm x 18 mm
- Weight: 8 g
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