HiLetgo 3pcs M28 Wireless Bluetooth MP3 Audio Receiver Board BLT 4.2 mp3 Lossless decoder Bluetooth 4.2 Audio Receiver Board Wireless Stereo Sound Module
Product details
| Management number | 239410989 | Release Date | 2026/07/14 | List Price | US$3.20 | Model Number | 239410989 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
This product M18/M28/M38 is a low-power Bluetooth design solution, supports the latest Bluetooth 4.2 transmission, 2-channel stereo lossless playback, and the module can be connected to Bluetooth to quickly realize Bluetooth wireless transmission, which is very convenient. In an open environment, the Bluetooth connection distance can reach 20 meters. Widely used in a variety of Bluetooth audio reception, a variety of audio DIY modification. Function Description: Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output. After the module is powered on, the mobile phone searches for the Bluetooth name M18/M28/M38, and can play music after connecting Bluetooth. Module blue indicator light: When the Bluetooth is not connected, the indicator light flashes quickly; When the Bluetooth connection is on, the indicator light is always on; When the Bluetooth is playing, the indicator light flashes slowly. M28(HW-407): PIN-----------Description 5V------------5V GND---------GND VBAT--------Lithium battery 3.7V power supply3.7V-4.2V L---------------Left channel R--------------Right channel AGND-------Audio GND -------------------------------------------------------------------------------------------------------------------------- Package Includes: 3 * M28(HW-407) Wireless Bluetooth MP3 Audio Receiver Board
- Power supply: You can directly use the MICRO USB Android cable 5V for direct power supply, or you can also connect 5V power supply or 3.7V lithium battery (as shown below). Note that the 5V and 3.7V power supply interfaces are different. The 5V voltage is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
- Audio output: The earphone can be directly connected to the 3.5mm audio interface, or it can be wired for the audio input of the power amplifier board (the interface L/R/AGND can be directly wired as shown).
| ASIN | B07W7YCFS1 |
|---|---|
| Brand | HiLetgo |
| Format | WAV, WMA |
| Wattage | 50 watts |
| Manufacturer | HiLetgo |
| Model Number | 3-01-1525 |
| Output Power | 50 Watts |
| Audio Encoding | Stereo |
| Connector Type | USB |
| Control Method | App |
| Output Wattage | 50 Watts |
| Controller Type | Android |
| Mfr Part Number | 3-01-1525 |
| Audio Output Mode | Stereo |
| Audio Output Type | 3.5mm audio interface |
| Compatible Devices | Speaker, Smartphone |
| Number of Channels | 2 |
| Wireless Technology | Bluetooth |
| Connectivity Technology | Bluetooth, USB |
| Surround Sound Channel Configuration | 2 Channel |
| Other Special Features of the Product | Stereo dual channel output |
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