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Small green circuit board with audio amplifier chip and pin headers

Ruth's sister

Ruth's sister internal power cable 98357

SKU CH-EERB-NRHA8

I2S Class D amplifier module with 3 W output for Raspberry Pi and ESP32 projects

  • Max98357 I2S 3W Class D amplifier breakout
  • Filterless DAC decoder module for Raspberry Pi Esp32
  • Internal power cable type for audio projects
  • New condition direct from Mainland China origin

Max98357 I2S amplifier module

The Max98357 is a 3W Class D amplifier breakout board that decodes I2S digital audio directly into speaker-level output. It connects to Raspberry Pi or ESP32 projects without an external DAC or filter components. Builders adding sound to embedded designs can solder headers or wires to the compact PCB and drive a small speaker from a single supply.

Filterless 3W output for I2S sources

The module delivers up to 3 watts into a speaker load using a filterless Class D architecture that reduces part count and board space. It accepts standard I2S data streams so no analogue line-level stage is required. Projects needing higher power, multi-channel audio, or analogue input will need a different amplifier solution.

Highlights

  • Max98357 I2S 3W Class D amplifier breakout
  • Filterless DAC decoder module for Raspberry Pi Esp32
  • Internal power cable type for audio projects
  • New condition direct from Mainland China origin

Specifications

No published specifications for this item yet.

Questions about this item

How loud can the 3 W Class D amplifier drive a speaker in a Raspberry Pi project?

The module delivers up to 3 W into a 4 Ω or 8 Ω load, giving clear room-filling volume for voice prompts, alarms or background music without an external amp.

What does the I²S interface limit in a typical Pi or ESP32 build?

I²S carries only digital audio streams, so sample rate and bit depth are set by the host controller; the board itself adds no extra protocol overhead.

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