M38 Bluetooth 4.2 Board MH-M38 Audio Receiver Module Wireless Speaker Sound System DIY MP3
This MH-M38 Audio Receiver Module with Cable is a low-power Bluetooth design solution that supports the latest Bluetooth 4.2 transmission and 2-channel stereo lossless playback, and the MH-M38 Audio Receiver Module can be connected to Bluetooth to quickly realize Bluetooth wireless transmission, which is very convenient. In an open environment, the Bluetooth 4.2 connection distance can reach 20 meters.
Widely used in a variety of Bluetooth audio reception, and a variety of audio DIY modifications.
After the MH-M38 Audio Receiver Module is powered on, the mobile phone searches for the Bluetooth name MH-M38, and can play music after connecting Bluetooth.
Features:
Bluetooth V4.2 version, support Bluetooth automatic connection technology,
Support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output
Bluetooth V4.2 version, supports Bluetooth automatic connection technology, supports 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 MH-M18/MH-M28/MH-M38, and can play music after connecting Bluetooth.
Note:
1. 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 in the figure below). Note that the 5V and 3.7V power supply interfaces are different. 5V is connected to 5V and GND, and the 3.7V lithium battery is connected to VBAT and GND.
The maximum operating current is 5V2A. It is recommended to use a regulated power supply of 5V2A for better sound quality.
2. Support USB sound card, free drive (plug and play). Connect the module to the computer with the USB cable, and the computer can play music through the module amplifier output.
3. Audio output: output left and right channel stereo audio signals, can be connected to two 2-8 euro, 3-5W speakers, push 4 O 5W speakers.
4. This product has its own dual 5W power amplifier circuit, and must not be connected to another amplifier! The outputs of the two amplifiers cannot be connected in parallel or the negative poles are connected together, otherwise the power amplifier chip is damaged.
Package includes:
1 x M38 Module