MAX98357 I2S 3W Class D Amplifier Module – Filterless DAC For Raspberry Pi And ESP32 Audio Projects

Description

Product Overview

Elevate your Raspberry Pi or ESP32 audio projects with the MAX98357 I2S 3W Class D Amplifier Module. This compact, filterless DAC delivers crystal‑clear sound, low distortion, and high efficiency, making it the ideal choice for portable speakers, DIY audio rigs, and IoT devices.

Key Features

• 3 W single‑channel Class D amplification – powerful output for small form factors
• Built‑in filterless DAC – eliminates the need for external analog filtering
• Low noise & low distortion – 0.5 dB THD+N for pristine audio quality
• Wide input voltage range (2.7 V – 5.5 V) – perfect for Raspberry Pi GPIO and ESP32
• High efficiency (≥ 85 %) – reduces heat and power consumption
• Compact 5 mm × 5 mm footprint – easy to integrate on any PCB
• Easy I2S interface – just 3 pins (LRC, BCLK, DIN) plus power and ground

Specifications

• Chip: MAX98357A
• Output Power: 3 W (± 0.5 W)
• Input Interface: I2S (Digital)
• Operating Voltage: 2.7 V – 5.5 V
• Operating Current: 70 mA (typ.)
• Efficiency: ≥ 85 %
• THD+N: ≤ 0.5 % @ 1 kHz
• Impedance: 4 Ω – 8 Ω speaker compatibility

Applications

This module is perfect for:

• Raspberry Pi audio projects – home media players, voice assistants, and more
• ESP32‑based IoT devices – smart speakers, alarm systems, and notification speakers
• Portable Bluetooth receivers, FM radios, and MP3 players
• DIY sound systems, gaming rigs, and hobbyist audio experiments

Why Choose This Module

By combining a filterless DAC with a high‑performance Class D amplifier, the MAX98357 module delivers true, uncompressed audio right out of the box. Its low power consumption and small size make it a breeze to integrate into any project, while the robust 3 W output ensures loud, clear sound without distortion.

Compatibility

Designed for seamless integration with Raspberry Pi (Model 3/4, Zero) and ESP32 boards. Connect via the standard I2S pins and enjoy instant audio playback with minimal setup.

Package Includes

• 1 × MAX98357 I2S 3W Class D Amplifier Module
• 1 × 4‑pin header (LRC, BCLK, DIN, GND)
• 1 × 2‑mm pin header (VCC, GND)
• 1 × 3‑pin power header (VCC, GND, 3 V)
• Quick‑start guide & datasheet link

Get Yours Today!

Upgrade your audio projects with the MAX98357 I2S 3W Class D Amplifier Module – the perfect blend of power, clarity, and simplicity. Order now and bring high‑fidelity sound to your Raspberry Pi or ESP32 creations.