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MAX98357A I2S DAC Class D Mono Amplifier Module

Reference RBD-2919

Compact mono Class D amplifier based on MAX98357A chip
Delivers 3W output power at 4–8Ω speakers
I2S digital audio input for Raspberry Pi, ESP32, and other MCUs
Gain set at 9dB, optimized for portable speaker applications
Small form factor, less than 2cm per side for easy integration
Screw terminals for secure speaker connection

Comes without soldering

Description
Product Details

Description

The MAX98357A I2S DAC Class D Mono Amplifier Module is a compact digital audio amplifier that integrates a DAC and Class D amplifier in one chip. With its I2S input, it connects easily to microcontrollers like Raspberry Pi and ESP32, making it ideal for portable audio projects and DIY smart speakers. Despite its small size, it delivers up to 3W of clean output power to 4–8Ω speakers with a fixed 9dB gain. The board features screw terminals for secure speaker connections and offers efficient, high-quality audio performance in embedded applications. Featured By RoboticsBD.

Product Images are shown for illustrative purposes only and may differ from the actual product.

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Features:

Integrated DAC + Amplifier – MAX98357A chip combines digital-to-analog conversion with Class D amplification.
Digital I2S Input – Directly interfaces with Raspberry Pi, ESP32, and other microcontrollers.
3W Output Power – Drives 4–8Ω speakers for small to medium audio projects.
Compact Design – Less than 2cm in size, perfect for portable builds.
Secure Connections – Screw terminals make speaker wiring simple and reliable.
Optimized Gain – 9dB gain suitable for efficient small speaker applications.
Low Power & Efficient – Class D topology ensures minimal heat and high efficiency.

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Applications:

Portable Speakers – Build small, battery-powered amplified speakers.
DIY Smart Devices – Add sound output to IoT projects using ESP32/Raspberry Pi.
Voice Assistants – Compact amplifier for AI speaker systems.
Educational Projects – Perfect for teaching digital audio with microcontrollers.
Embedded Audio Solutions – Use in compact devices needing efficient sound amplification.

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General Specifications
Product Type	Amplifier Board
Amplification Type	Class D
Amplifier Chip	MAX98357A
Input	I2S
Output	Screw Speaker Terminals
Output Power	3W @ 4–8Ω
Gain	9dB
Dimensions	< 20 × 20 mm
Shipment Weight	0.0043 kg
Shipment Dimensions	11 × 8 × 3 cm

Please allow 5% measuring deviation due to manual measurement.

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Documentation:

Mono Class D MAX98357 I2S 3W 4Ω

Package Includes:

1 x MAX98357A I2S DAC Class D Mono Amplifier Module

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Product Details

Reference RBD-2919

In stock 31 Items

Specific References

EAN13: 2919

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