SKU: IOWC-0166
📋 GST Invoice Available

MH-M28 Bluetooth 4.2 Audio Receiver Board Module w/ 3.5mm Jack

₹118.00 (Inclusive of all taxes)
Out of Stock

The MH-M28 is a compact Bluetooth 4.2 audio receiver module designed for DIY audio projects, featuring lossless MP3/WAV/FLAC decoding and stereo output via a 3.5mm jack for easy integration with existing speakers.

Features

  • Bluetooth 4.2 audio receiver with HFP, A2DP, and AVRCP profiles for wireless music streaming and hands-free calling.
  • Supports lossless audio decoding for WAV, FLAC, APE, and MP3 formats for high-fidelity stereo playback.
  • Compact 45x20mm board with 3.5mm audio jack and micro-USB/Li-ion power input (3.7-5V).
  • Up to 20-meter wireless range with -87dBm receiver sensitivity for stable connectivity.
  • Ideal for converting traditional speakers, DIY Bluetooth audio projects, and portable audio systems.

Out of stock

Description

The MH-M28 Wireless Bluetooth Audio Receiver Board Module provides a low-power, integrated solution for adding Bluetooth audio streaming capabilities to any audio system. Based on Bluetooth 4.2 technology, it supports advanced audio distribution (A2DP) and hands-free profiles (HFP) for both music playback and call functionality.

Its onboard audio decoder handles a wide range of formats, including high-quality lossless files, delivering clear stereo output through the integrated 3.5mm audio jack. The module operates from a 3.7V to 5V DC supply, compatible with micro-USB ports or single-cell lithium batteries, making it suitable for portable and fixed installations with a typical operating current up to 20mA.

Key Features

  • Bluetooth 4.2 compliant module with support for HFP v1.7, A2DP v1.2, AVRCP v1.5 protocols.
  • Integrated lossless audio decoder for WAV, WMA, FLAC, APE, and MP3 formats.
  • Stereo two-channel audio output via standard 3.5mm audio jack.
  • Low-power design suitable for battery-powered portable audio applications.
  • Micro-USB and lithium battery power input options (3.7V-5V DC).
  • Compact form factor (45mm x 20mm) for easy embedding into speaker enclosures.
  • Up to 20-meter effective wireless transmission range in open areas.

Applications

  • Retrofit traditional wired speakers into wireless Bluetooth speakers.
  • DIY portable Bluetooth speaker and boombox projects.
  • Integration into home audio systems and car audio aux inputs.
  • Educational projects for learning about wireless audio transmission and decoding.

Technical Specifications

Bluetooth Version4.2
Supported ProtocolsHFP v1.7, A2DP v1.2, AVRCP v1.5, AVCTP v1.2, AVDTP v1.2
Audio Decoding FormatsWAV, WMA, FLAC, APE, MP3
Supply Voltage3.7V ~ 5V DC
Max Operating Current20 mA
RF Sensitivity-87 dBm
Transmission DistanceUp to 20 meters
Audio Output3.5mm Stereo Jack
Operating Temperature-40°C to +85°C
Dimensions (LxW)45 mm x 20 mm

Frequently Asked Questions

What power supply is required for the MH-M28 Bluetooth audio module?

The MH-M28 module operates on a DC voltage range of 3.7V to 5V. You can power it conveniently via a standard micro-USB cable connected to a 5V USB charger or power bank. For portable projects, it can also be directly powered by a single-cell 3.7V lithium-ion or lithium-polymer battery connected to its onboard battery input terminals, making it ideal for wireless speaker builds.

How do I connect the MH-M28 module to my existing speakers or amplifier?

Connect the module's 3.5mm stereo audio jack output directly to the auxiliary (AUX) input of your speaker, amplifier, or car stereo using a standard 3.5mm male-to-male audio cable. For power, connect a micro-USB cable to a 5V source or attach a 3.7V Li-ion battery. Once powered, the module enters pairing mode (indicated by a flashing LED), and you can connect from your smartphone or computer's Bluetooth settings to stream audio.

What audio formats does the MH-M28 module support for playback?

This module features an integrated audio decoder that supports a variety of common and high-fidelity formats. It can decode standard compressed formats like MP3 and WMA, as well as popular lossless audio formats including WAV, FLAC, and APE. This ensures high-quality stereo playback from most digital music files streamed via Bluetooth from your connected device, providing an upgrade over basic SBC-only receivers.

Package Includes

  • 1 x MH-M28 Wireless Bluetooth Audio Receiver Board Module

Additional Information

Weight 0.004 kg
Dimensions 4.5 × 2 cm