Bluetooth Board, MH-MX8 Audio Receiver Bluetooth Module Wireless Electronics for Speaker Sound System DIY(M18)

Product description

• M18 MUTE mute control terminal used to control the power amplifier board. When muting, MUTE outputs a high level of 3.3V, and outputs a low level during playback. Volume power off function The default output is volume. Press the button to control the volume increase and decrease. If the control volume is less than 15%, the volume output will be 15% after power-on; if the control volume is greater than 15%, the original volume will remain unchanged after power-on.
• For Bluetooth V4.2 version of for Bluetooth automatic technology, supports WAV WMA FLAC APE MP3 lossless decoding, stereo two-channel output
• After powering on the module, the phone searches for the for Bluetooth name MH-M18 MH-M28 MH-M38, and can play music when connected to for Bluetooth.
• M28 Power supply It can be directly powered by the MICRO USB for Android cable 5V, or it can be connected to a 5V power supply or a 3.7V lithium battery. 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.
• M38 Power supply It can be directly powered by the MICRO USB for Android cable 5V, or it can be connected to a 5V power supply or a 3.7V lithium battery. The maximum working current is 5V2A. It is recommended to use 5V2A regulated power supply for better sound quality. 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.