Bluetooth MP3 Board Decoder Lossless Car Speaker Amplifier Modified Circuit

This is a car Bluetooth 4.1 mp3 WAV decoding board speaker amplifier audio receiver module. It supports Bluetooth 4.1, supports automatic return function, supports WAV + APE + FLAC + MP3 lossless decoding, stereo output, comes with TF card download, and supports U disk, and TF card player. It has a standard 3.5mm interface, the output stereo sound source, can be inserted into headphones, connected amplifier and other equipment. It runs with a universal Micro USB 5V power supply.

Bluetooth MP3 Board Specification:

• Power Supply: 3.7-5 V
• SNR: 90dB
• THD+N: -70dB
• Crosstalk: -86dB
• DNR: 91dB
• Support Profile: A2DP/AVCTP/AVDTP/AVRCP/HFP LOS:>15m

Bluetooth MP3 Board Features:

• Support for Bluetooth 4.1, support automatic return function.
• Support WAV + APE + FLAC + MP3 lossless decoding, stereo output, comes with TF card download.

Interface Description:

• Power Interface: Universal Micro USB 5V power supply
• 3.7-5V Supply Pad: 3.7-5V power supply modification
• U Disk Interface: Support play U disk MP3 / WAV / APE / FLAC file, support FAT16 / 32 file format
• TF Card Interface: Support play MP3 card in the MP3 / WAV / APE / FLAC file, support FAT16 / 32 file format
• LED Indication: Bluetooth mode blue light long, music mode blue light flashing
• 3.5mm Stereo Output: Standard 3.5mm interface, the output stereo sound source, can be inserted headphones, connected amplifier and other equipment

Key Function Description:

• MODE: “Short press”, TF card, U disk, Bluetooth mode switch
• P / P: “Short press” to switch between play and pause
• NEXT / V+: “Short press” Next Song, “long press” Volume Increase
• PREV / V-: “short press” previous song, “long press “volume down
• RPT: “Short press”, single / cycle switch

Package Included:

1 x Car Bluetooth 4.1 MP3 WAV Decoding Board Speaker Amplifier Audio Receiver Module Support USB/TF/U-Disk