MH-M28 Wireless Stereo Music Module Lossless Bluetooth-Compatible Audio Module HiFi DIY Modification Kit

MH-M18/M28/M38 Wireless Stereo Music Module with Indicator Light Bluetooth-Compatible Audio Module HiFi DIY Modification Kit
Feature:

1.
Low Power Bluetooth-Compatible Design: This audio module features a low-power Bluetooth-Compatible design that supports the latest Bluetooth-Compatible 4.2 transmission technology, enabling quick and easy wireless connectivity between devices.

2.
High-Fidelity Stereo Playback: With support for dual-channel stereo sound and lossless playback of WAV/WMA/FLAC/APE/MP3 files, this Bluetooth-Compatible audio module delivers high-fidelity sound quality that's perfect for audiophiles.

3.
Automatic Reconnection: The module supports automatic reconnection technology, making it easy to connect to your device and start playing music instantly.

4. Easy to
Use: Once powered on, your phone will automatically search for the MH-M18/M28/M38 Bluetooth-Compatible name, allowing you to connect quickly and play your favorite tunes right away.

5.
Clear Indicators: The blue indicator light on the module offers clear indications of its status, with fast flashing indicating no connection, steady light indicating connection, and slow flashing indicating playback.
Specification:
MH-M28:
Number Pin Description
1 5V power supply positive 5V
2 GND power supply negative pole
3 VBAT lithium battery positive electrode 3.7 - 4.2V
4 L left channel output
5 R right channel output
6 AGND audio ground

1.
Power supply: You can directly use the MICRO USB Android cable 5V for power supply, or you can also connect an additional 5V power supply or 3.7V lithium battery. Note that the power supply interfaces for 5V and 3.7V are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.

2.
Audio output: The headphones can be directly connected to a 3.5 mm audio interface or wired for audio input on the power amplifier board (as shown in the figure, the interface L/R/AGND can be directly wired).
Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.
1 x Bluetooth-Compatible Audio Module