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-M38:
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+/L-left channel output (directly connected to the speaker)
5 R+/R - Right channel output (directly connected to the speaker)
1.
Power supply: You can directly use the MICRO USB Android cable 5V for power supply, or connect an additional 5V power supply or 3.7V lithium battery (as shown in the following figure). Note that the power supply interfaces for 5V and 3.7V are different. 5V is connected to 5V and GND, while 3.7V lithium batteries are connected to VBAT and GND. High working current 5V2A, it is recommended to use a 5V2A regulated power supply for power supply.
2. Supports USB sound card, driver free (plug and play). Connect the module to the computer using a USB data cable, and the computer can play music to output through the module amplifier
3.
Audio output: Output left and right stereo audio signals, which can be connected to two 2-8 ohm and 3-5W speakers respectively, and use 4 ohm and 5W speakers for push and save.
4. This product already comes with a dual 5W power amplifier circuit, and cannot be used with another power amplifier! The outputs of two power amplifiers cannot be connected in parallel or the negative electrodes connected together, as it may damage the power amplifier chip.
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