Specification:
Item Type: Bluetooth MP3 Decoding Board
Power Supply: 3.7-5V
SNR: 90dB
THD+N: -70dB
Crosstalk: -86dB
DNR: 91dB
Support Profile: A2DP/AVCTP/AVDTP/AVRCP/HFP
LOS: >15m
Remote Control Battery: L1131C button cell
Battery Capacity: 75mAh
Interface Description:
Micro USB Power Supply: Universal 5V Micro USB Power Supply
USB Audio: Connect to the computer via USB cable, can use as external sound card
U Disk Interface: Support playing MP3/WAV/APE/FLAC files on U disk, support FAT16/32 file format
LED Indicator: Bluetooth mode blue light is on, music mode blue light is flashing
TF Card Interface: Supports playing MP3/WAV/APE/FLAC files in memory card, supports FAT16/32 file format
IR Remote Control: Support infrared remote control operation
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
3Wx2 Amplifier: Onboard 2 channel 3W stereo amplifier, can drive 3W speaker
3. 7-5V Power Supply Bonding Pad: Realize external 3.7-5V power supply refit
Operation Instruction:
- Mode Control
- Music Mode
- Bluetooth Mode
When switching mode,it broadcasts "The bluetooth device is ready to pair",representing that the board has entered into bluetooth mode and waiting for matching;cellphone bluetooth searching "XY_BT" (decode board device name),click the link,and the board prompts "The bluetooth device is connected successfully",representing that the decode board has connect with cellphone successfully and then play the music
- USB Audio
Features:
1Supports Bluetooth 4.1, automatic back connection function. 2Support WAV+APE+FLAC+MP3 lossless decoding. 3On-board 3W stereo audio power amplifier. 4Support USB Audio Function, support memory card downloading. 5Support U disk and memory card playback, IR remote control function.
Package List:
1 x MP3 Decoding Board
1 x Remote Control
