Enhanced Wireless Bluetooth Audio Module for DIY Stereo Retrofit Speakers (MH - MX28 micro USB)

Product Overview

🌟 Introducing the MH-MX Series—comprising the MH-MX8, MH-MX18, and MH-MX28—an innovative low-power Bluetooth audio module designed for seamless integration into DIY projects and retrofitting existing audio systems. With support for Bluetooth 4.2 and 5.0, this versatile audio decoder board offers high-quality, lossless stereo playback and unmatched wireless convenience. In open environments, enjoy impressive Bluetooth connectivity with a range of up to 20 meters, making it an ideal choice for various audio applications, including Bluetooth audio reception and audio DIY modifications. Each version caters to unique project requirements, allowing you to choose the best fit for your needs.

🧩 Key Features & Functionality

• Compatible with multiple lossless audio formats including WAV, WMA, FLAC, APE, and MP3, ensuring superior sound quality for audiophiles.
• Automatic Bluetooth connection technology simplifies pairing with mobile devices—just search for the MH-M model name, connect, and enjoy your favorite tunes.
• Distinct indicators for Bluetooth status: a fast-flashing blue light indicates an unconnected state, while a solid blue light signals a successful connection.

💍 Specifications of Each Model

📦 MH-MX18: Boasting a compact PCB size of 23mm x 16mm x 2.5mm, this model offers a pin pitch of 2.54mm, facilitating straightforward mounting or soldering onto your board.

🧩 Power Supply Options: This module can be powered via a standard 5V Micro USB cable, a 5V power supply, or a 3.7V lithium battery. Special care should be taken to connect the appropriate interfaces depending on your power source to ensure optimal functionality.

🔴 Audio Output Connections: Connect via a standard 3.5mm audio interface or directly to an audio input on a power amplifier. The audio outputs (Left, Right, and Audio Ground - AGND) can be easily wired according to the provided specifications.

🔧 Advanced Control Features

• The MUTE function allows you to silence audio output, outputting a high level of 3.3V when active and switching to low during playback.
• The KEY control terminal enables multitasking with four controllable button functions to enhance user interaction.
• Volume management is facilitated through button controls, allowing for fine-tuned adjustment for a personalized listening experience.

🔘 Built-in Audio Amplification

Explore the potential that the MH-MX series offers for transforming your audio experience—perfect for hobbyists, audio enthusiasts, and DIYers looking to elevate their sound systems to new heights.