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MAX98357 I2S 3W Audio Amp Module

MAX98357 I2S 3W Audio Amp Module

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The MAX98357 Module is a compact 3W Class D amplifier with a built-in I2S DAC, allowing direct digital audio input over I2S without the need for an external DAC. It’s ideal for adding high-quality audio output to microcontroller-based projects like ESP32 or Raspberry Pi.

7,000 IQD 7000.0 IQD 7,000 IQD

7,000 IQD

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Features Applications

Features

  • Digital I2S input – no analog DAC needed
  • Built-in 3W Class D amplifier (mono output)
  • Compact breakout board design
  • High efficiency, low distortion
  • Compatible with ESP32, Raspberry Pi, STM32, and more

Applications

  • Audio output for smart speakers or assistants
  • Voice feedback systems
  • IoT projects with sound playback
  • DIY audio systems and gadgets
  • Text-to-speech and sound effect output
General Environmental Physical 

General 

  • Chipset: MAX98357A
  • Output Power: 3W @ 4Ω, 5V
  • Input: I2S (digital audio)
  • Output: Mono audio (connect to speaker)
  • Voltage Range: 2.7V – 5.5V DC
  • Sampling Rates: 8kHz to 96kHz supported
  • Audio Format: 16/24/32-bit I2S

Environmental

  • Operating Temperature: -40°C to +85°C
  • Humidity: ≤85% RH (non-condensing)

Physical 

  • Dimensions: ~20mm × 15mm
  • Mounting: Breakout board with header pins
  • Weight: ~2g

No examples available yet. Stay tuned for updates!