MAX98357 I2S 3W Audio Amplifier Board

Bring digital audio excellence to your microcontroller projects with the MAX98357 I2S 3W Audio Amplifier Board. This specialized amplifier module features I2S digital audio interface, making it the perfect companion for Raspberry Pi, ESP32, Arduino, and other development boards requiring high-quality digital audio output.

Key Features:

• Premium MAX98357A Class-D amplifier chip from Maxim Integrated
• I2S digital audio interface for superior sound quality
• 3W mono output with excellent clarity
• Filterless design - no external components needed
• Direct digital-to-analog conversion eliminates noise
• Ultra-high efficiency up to 92%
• 3.3V or 5V logic compatible
• Simple 3-wire I2S interface (BCLK, LRCLK, DIN)
• Onboard gain control via SD_MODE pin
• Compact breakout board design
• Perfect for Raspberry Pi, ESP32, Arduino projects

Technical Specifications:

• IC Chip: MAX98357A (Maxim Integrated)
• Power Output: 3W (mono, 4Ω speaker)
• Operating Voltage: DC 2.5-5.5V
• Logic Level: 3.3V or 5V compatible
• Interface: I2S (Inter-IC Sound)
• Sample Rate: Up to 96KHz
• Speaker Impedance: 4-8Ω
• Efficiency: Up to 92%
• THD+N: 0.015% (at 1KHz)
• SNR: 100dB
• Gain Settings: 3dB, 6dB, 9dB, 12dB, 15dB

Perfect For: Raspberry Pi audio projects, ESP32/ESP8266 audio applications, Arduino sound projects, IoT devices with audio, voice assistant projects, digital audio systems, embedded audio applications, and any microcontroller project requiring high-quality digital audio output!