Підсилювач звуку 2*5 Вт з Bluetooth MP3 декодер USB TF AUX дистанційне керування

Готове рішення для мініакустики. На платі вже є підсилювач 2*5 Вт, модуль блютус 4.1, кардридер USB/TF, пульт ДК. Також є 3.5джек стереовихід для потужнішої акустики або навушників.

Bluetooth MP3 Decoder Module Audio Receiver Board, Car Moto Speaker Amplifier  Support U-Disk/TF
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1.Power Supply:3.7-5V
2.SNR:90dB
3.THD+N:-70dB
4.Crosstalk:-86dB
5.DNR:91dB
6.Support Profile:A2DP/AVCTP/AVDTP/AVRCP/HFP
7.LOS:>15m
8. Amplifier 2*5W

Operation Introduction:
1.Mode Control:when the decode board doesn't plug U-disk or TF card,power on defaults bluetooth mode;when the decode board plugs U-disk or TF card,power on defaults music mode;using remote control MODE key or key to switch mode
2.Music Mode:plug U-disk or TF card can play audio file which has been saved
3.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 successfuly",representing that the decode board has connect with cellphone successfully and then play the music
4.USB Audio:USB Audio mode (also called sound card mode),use USB wire to connect with USB Audio interface,switch mode prompts "USB MODE" that is USB Audio mode.Open the music player on computer to play music,use decoder board to play music;if plug into TF card then it can be read
5.Notice:when using USB Audio mode,please don't plug into U-disk

Notice:
1.If U-disk is playing,please use USB 5V for power supply (no recommend 3.7V lithium battery)
2.Please use POWER interface when using mobile power or computer for power supply;cannot use USB Audio interface
3.U-disk or TF card only supports FAT16/FAT32 file system,doesn't support NTFS system