ماژول بلوتوث صوتی دارای آمپلی فایر داخلی و به همراه ریموت فلت مدل BT04-RM/دارای mp3 پلیر و یو اس بی و تی اف کارت ریدر/کیفیت خوب و مناسب ساختن و تعمیر و جایگزین کردن در اسپیکر های کوچک و پرتابل

 

سلام

این ماژول مناسب برای

1. پروژه‌های صوتی DIY
2. اسپیکرهای قابل حمل

 

 

 

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	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
۳٫۵mm 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
۳W*2 amplifier	Onboard 2 channel 3W amplifier for stereo drive 3W speaker
۳٫۷-۵V 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:

۱ x bluetooth decoder board

۱ x Remote control