Bảng Mạch Giải Mã Âm Thanh Không Dây Mh-Mx8 M18/M28/M38 Blt 4.2 Mp3

1. Bluetooth V4.2 version, support Bluetooth automatic connection technology, support WAV/WMA/FLAC/APE/MP3 lossless decoding, stereo dual channel output. 2, power supply: you can directly use the MICRO USB Android line 5V for direct power supply, you can also connect 5V power supply or 3.7V lithium battery (as shown above). 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. 3, the maximum working current is 5V2A, it is recommended to use 5V2A regulated power supply, the sound quality is better. 4. After the module is powered on, the mobile phone searches for the Bluetooth name MH-M38, and can play music after connecting to Bluetooth. 5, support USB sound card, free drive (plug and play). Connect the module to the computer with a USB cable, and the computer can play music through the module amplifier output. 6, module blue indicator light: 7. When the Bluetooth is not connected, the indicator light flashes quickly; 8. When the Bluetooth connection is on, the indicator light is always on; 9. When the Bluetooth is playing, the indicator light flashes slowly. 10, audio output: output left and right channel stereo audio signal, can be connected to two 2-8 euro, 3-5W speakers, push 4 Euro 5W speakers. 11, this product has its own dual 5W power amplifier circuit, you must not use another amplifier to use! The outputs of the two amplifiers may not be connected in parallel or the negative poles may be connected together, otherwise the power amplifier chip may be damaged.