DC 3.7V To 5V bluetooth 4.1 MP3 WAV Decoder Board 3W Speaker Amplifier Audio Receiver Module
Tax included.
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:
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:
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:
Button and remote control function definition:
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 | Supports playing MP3/WAV/APE/FLAC files in TF card and supports FAT16/32 file format |
| Infrared remote control | Support infrared remote control operation, the function is as defined below |
| AD key interface | Button interface, providing different resistance parameters to achieve different button functions |
| bluetooth decoding IC | Decoder board master chip |
| 3.5mm stereo output | Standard 3.5mm interface, output stereo sound source, can be plugged into headphones, connected to power amplifier and other equipment |
| Right channel 3W | Audio right channel output, can drive 3W speakers |
| Left channel 3W | Audio left channel output, can drive 3W speakers |
| 3W*2 amplifier | Onboard 2 channel 3W amplifier for stereo drive 3W speaker |
| 3.7-5V power supply pad | Realize external 3.7-5V power supply modification |
Button and remote control function definition:
| Button | Function |
| PREV/V- | Short press the previous track, long press the volume to decrease |
| P/MODE | Short press play and pause switch, long press mode switch |
| NEXT/V+ | Short press next song, long press the volume to increase |
| MODE | TF card, U disk, bluetooth mode switching |
| RPT | Single/cycle switching |
| EQ | Sound mode switching |
Package Included:
1 x bluetooth decoder board
1 x bluetooth decoder board
1 x Remote control
