DC 3.7V To 5V bluetooth 4.1 MP3 WAV Decoder Board 3W Speaker Amplifier Audio Receiver Module Support USB/TF/U-DISK/IR Remote Control

Description:

Support bluetooth 4.1 mode, support automatically back to even, support to decode WAV / APE / FLAC / MP3 files losslessly, support to output stereo, with 3W power amplifier on board, support USB audio function, support the TF card downloading, support U disk TF card playing, supprot IR remote function.

Parameters characteristics:

Power supply: DC 3.7-5V

SNR: 90dB

THD+N: -70dB

Crosstalk: -86dB

DNR: 91dB

Support profile: A2DP / AVCTP / AVDTP / AVRCP / HFP

LOS > 15m

Operating specification:

Mode control:

bluetooth mode is default, powered on when there is no U disk or TF card installed on board; And music mode is defult, powered on when U disk or TF card  is installed on board. Switching mode using adkey or IR remote.

Music mode:

Playing the audio files stored in the U disk and TF card,when plug into U disk and TF card.

bluetooth mode:

When switching mode and playing The bluetooth device is ready to pair,it goes into bluetooth mode and is ready to pair. The device named XY_BT Cell phone searched is the decoding board device.Connecting the XY_BT device with cell phone, the decoding board plays The bluetooth device is connected successfuly, the decoding board has connected with the cell phone successfully, and you can playing music through the bluetooth device. Showing in the below picture .

Interface details:

Micro USB power

Universal Micro USB 5V power supply

USB Audio

Connect to a computer via a USB cable to use as an external sound card

U disk interface

Supports playing MP3/WAV/APE/FLAC files in U disk and supports FAT16/32 file format

LED indication

bluetooth mode blue light is on, music mode blue light is blinking

TF card interface