Snvi MAX98357A I2S Audio Amplifier Module DAC 3W Class D I2S DAC Module Filterless Amp for ESP32 ESP8266 Raspberry Pi

Description

Snvi MAX98357A I2S Audio Amplifier Module – a compact, high‑performance 3W Class D amplifier that delivers crystal‑clear sound without the need for additional filtering. Built around the popular MAX98357A chip, this module is engineered for seamless integration with ESP32, ESP8266, Raspberry Pi, and other microcontroller platforms.

Product Overview

Transform your microcontroller’s digital audio into rich, powerful sound with minimal wiring. The module features a simple I²S interface, a 3 W output, and a robust Class D design that keeps heat low and power consumption efficient. Whether you’re building a DIY speaker, a home‑automation audio system, or a portable music player, this amplifier module delivers professional audio quality in a tiny footprint.

Key Features

• 3 W single‑channel Class D amplification – perfect for small to medium speakers
• Filterless design – no external capacitors or inductors required
• Built‑in MAX98357A DAC – supports 16‑bit I²S audio input
• Low distortion and high signal‑to‑noise ratio for crystal‑clear sound
• Wide supply voltage range: 4.5 V to 5.5 V (ideal for ESP32/ESP8266 and Raspberry Pi)
• Compact 20 mm × 20 mm footprint – fits easily on breadboards or custom PCB
• Easy to use – just connect VCC, GND, DIN, LRC, BCLK, and enable the amplifier with a single pin
• Robust metal housing and heat‑sink for reliable operation

Technical Specifications

Chip: MAX98357A
Output Power: 3 W (1 W per channel, 4 Ω load)
Input: I²S (16‑bit, 44.1 kHz/48 kHz)
Supply Voltage: 4.5 V – 5.5 V
Operating Current: < 200 mA
Dimensions: 20 mm × 20 mm × 5 mm
Connector: 3‑pin header (DIN, LRC, BCLK) + VCC, GND, EN

Compatibility & Applications

This module is fully compatible with:

• ESP32 / ESP8266 (I²S audio output)
• Raspberry Pi (I²S audio interface)
• Arduino (with I²S shield or adapter)
• Other microcontrollers or single‑board computers with I²S support

Ideal for:

• DIY Bluetooth speakers and audio projects
• Smart home audio systems
• Portable music players and handheld devices
• Educational kits and prototyping

Upgrade your audio projects with the Snvi MAX98357A I2S Audio Amplifier Module – powerful, efficient, and ready to deliver high‑fidelity sound right out of the box.