MH-M38 Wireless Bluetooth Audio Receiver Board

The MH-M38 Wireless Bluetooth Audio Receiver Board is a compact and efficient Bluetooth 4.2 audio module designed for seamless wireless audio transmission. It is ideal for upgrading traditional audio devices like speakers and amplifiers into wireless Bluetooth-enabled systems. The board supports stereo output, auto-connect functionality, and operates with minimal power, making it perfect for DIY audio projects and embedded audio applications.

Key Features of MH-M38 Wireless Bluetooth Audio Receiver Board:

• Bluetooth 4.2 Technology: Ensures low-latency and stable wireless audio transmission.
• High Audio Quality: Supports stereo output with excellent clarity and minimal noise.
• Auto Reconnect: Automatically reconnects to the last paired device.
• Compact Design: Small PCB size makes it ideal for integration in portable devices.
• Low Power Consumption: Operates efficiently on 3.7V to 5V power input.

Technical Specifications of MH-M38 Wireless Bluetooth Audio Receiver Board:

• Bluetooth Version: 4.2
• Input Voltage: DC 3.7V to 5V
• Output Interface: 3.5mm stereo audio jack and solder pads for L/R/GND
• Operating Distance: Up to 10 meters (open area)
• Audio Output: Stereo (L/R)
• PCB Dimensions: Approx. 30mm x 20mm

Mechanical Specifications of MH-M38 Bluetooth Module:

• Form Factor: Compact rectangular PCB
• Connectors: Micro USB port, 3.5mm jack, and solder pads
• Mounting: Through holes for secure enclosure mounting
• LED Indicator: Status LED for power and pairing indication

Dimensions:

• Length: 30mm
• Width: 20mm
• Thickness: 3mm (excluding components)

Mounting Options:

• Standalone Use: Mount directly in portable Bluetooth speaker enclosures.
• Embedded Use: Integrate inside amplifiers or car audio systems.

Schematic Diagram, Connection, Wiring and Pinout of MH-M38 Module:

• Power Input: +5V and GND via Micro USB or solder pads.
• Audio Output: L (Left), R (Right), and GND via pads or 3.5mm jack.
• Status LED: Indicates power, pairing, and connected state.

Datasheet of MH-M38 Bluetooth Audio Receiver Module:

• Download MH-M38 Datasheet and Documentation

Applications of MH-M38 Wireless Bluetooth Audio Receiver Board:

• Wireless Speakers: Convert traditional speakers into Bluetooth-enabled devices.
• Car Audio Systems: Add wireless audio streaming functionality.
• DIY Audio Projects: Ideal for hobbyists and custom audio installations.
• Home Theater Integration: Enable Bluetooth input to amplifiers or soundbars.

Equivalent of MH-M38 Bluetooth Module:

• MH-MX8: Advanced version with audio decoding chip
• MH-M18: Basic Bluetooth audio module with similar footprint
• YX5200: MP3 audio player module with audio output and microSD
• JDY-62: Bluetooth audio module with onboard amplifier

Package Includes:

• 1 x MH-M38 Wireless Bluetooth Audio Receiver Board