ES8311 NS4150B Audio Amplifier Microphone Module for ESP32

ES8311 + NS4150B Digital Audio Amplifier & Microphone Module for ESP32

Upgrade your audio projects with the Gaqqee ES8311 + NS4150B Digital Audio Amplifier Board — a compact, high-performance audio module designed for seamless integration with ESP32-C3, ESP32-S3, and other mainstream development boards. Featuring a dual-chip solution, built-in microphone support, and a 3W amplifier, this module delivers clear audio capture and powerful speaker output right out of the box.

Key Features

• Dual-Chip Architecture: Combines the ES8311 audio codec and NS4150B amplifier for high integration, stable performance, and reliable audio quality.
• Built-In Microphone Support: Onboard microphone input enables clear voice and audio capture for IoT, smart speaker, and voice-recognition applications.
• 3W High-Efficiency Amplifier: Delivers robust speaker output while maintaining low power consumption.
• Universal 10-Pin Connector: Standard 2.54mm pitch header with clearly labeled pins for fast, error-free integration with development boards.
• ESP32 Compatible: Works seamlessly with ESP32-C3, ESP32-S3, and other popular microcontroller platforms — hardware and software ready from day one.
• Compact Form Factor: Measures just 26.1mm × 17mm (PCB thickness 1.2mm), saving valuable space in your builds.
• Flexible Communication Interfaces: Supports I²C (SDA, SCL) and I²S (MCK, BCK, DI, WS, DO) protocols for versatile connectivity.

Specifications

What's in the Box

Kit 1 (Onboard Microphone):

• 1× Onboard Microphone Audio Module
• 1× Header

Kit 2 (External Microphone):

• 1× External Microphone Audio Module
• 1× Header
• 1× External Microphone

Perfect For

• IoT smart speaker and voice assistant projects
• ESP32-based audio streaming and playback
• Voice recognition and audio recording applications
• Maker, prototyping, and embedded audio development

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Frequently Asked Questions

Q: Is the ES8311 NS4150B audio module compatible with ESP32-S3 development boards?

A: Yes! The module is fully compatible with ESP32-S3, ESP32-C3, and other mainstream development boards. The standard 10-pin, 2.54mm pitch connector and support for I²C and I²S interfaces make integration straightforward with most popular microcontroller platforms.

Q: What is the difference between Kit 1 and Kit 2?

A: Kit 1 includes an onboard microphone audio module and a header, making it ideal for compact builds where the microphone is integrated directly on the PCB. Kit 2 includes an external microphone audio module, a header, and a separate microphone, allowing for more flexible microphone placement in your project enclosure.

Q: What power supply does this audio amplifier module require?

A: The module operates on 3.3V logic with VCC (5V recommended) and GND. This makes it easy to power directly from most ESP32 development boards without additional regulators.

Q: Can this module be used for both audio playback and audio recording?

A: Yes. The ES8311 audio codec supports both audio input (via the built-in or external microphone) and audio output (via the NS4150B 3W amplifier to a connected speaker), making it suitable for full-duplex audio applications.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.