Bluetooth decoder board MP3 lossless car speaker amplifier modified Bluetooth 4.1 circuit board
parameter
Power Supply: 3.7-5V
SNR: 90dB
THD+N: -70dB
Crosstalk: -86dB
DNR: 91dB
Support Profile: A2DP/AVCTP/AVDTP/AVRCP/HFP
LOS:>15m
Size: 45*41mm
Interface details
Power interface: Universal Micro USB 5V power supply
3.7-5V power supply pad: realize external 3.7-5V power supply modification
U disk interface: support playback of MP3/WAV/APE/FLAC files in U disk, support FAT16/32 file format
TF card interface: support playback of MP3/WAV/APE/FLAC files in TF card, support FAT16/32 file format
LED indication: Bluetooth mode blue light is on, music mode blue light is blinking
3.5mm stereo output: standard 3.5mm interface, output stereo sound source, can be plugged into headphones, connected to power amplifier and other equipment
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