MH-M38 Wireless Bluetooth Audio Receiver Module 4.2 with 5W+5W Stereo Amplifier

The MH-M38 Wireless Bluetooth Audio Receiver Module is a compact Bluetooth audio receiver and stereo amplifier board designed for DIY speaker projects, portable Bluetooth speakers, audio system upgrades, and electronic projects. It supports Bluetooth 4.2 wireless audio transmission and stereo dual-channel audio playback. The built-in 5W + 5W amplifier allows direct connection to suitable speakers, making it convenient for building compact wireless audio systems without requiring a separate audio amplifier board.

The module can be paired with smartphones, tablets, laptops, and other compatible Bluetooth devices for wireless music playback. It supports automatic Bluetooth connection and can provide a wireless connection range of up to 20 metres in an open environment. The board can be powered using a suitable 5V supply or a 3.7V–4.2V lithium battery connection, depending on the specific power input provided on the board.

Suitable for DIY Bluetooth speakers, portable audio systems, speaker modifications, electronics projects, robotics projects, and educational experiments. The compact PCB design makes it easy to integrate into custom audio enclosures and DIY projects.

Specifications:

• Model: MH-M38
• Product Type: Wireless Bluetooth Audio Receiver Module
• Bluetooth Version: Bluetooth 4.2
• Bluetooth Range: Up to 20 metres in open environment
• Audio Output: Stereo, Dual Channel
• Built-in Amplifier: 5W + 5W
• Amplifier Channels: 2 Channel Stereo
• Speaker Compatibility: Suitable for 4Ω–8Ω speakers
• Audio Formats: WAV, WMA, FLAC, APE, MP3
• Power Supply: 5V
• Lithium Battery Input: 3.7V–4.2V
• Automatic Bluetooth Connection: Supported
• USB Sound Card Function: Supported on applicable versions
• Application: DIY Bluetooth Speaker, Portable Speaker, Audio Modification, Electronics Projects
• Board Dimensions: Approximately 45 × 20 × 5 mm
• Connection: Wireless Bluetooth Audio
• Package Contents: 1 × MH-M38 Wireless Bluetooth Audio Receiver Module