Bluetooth 4.0 stereo FLAC WAV WMA MP3 APE audio decoder board with 10W x 2 power amplifier, FM87.5~108, can also be external amplifier, power reverse protection, ignoring the positive and negative pole, support mobile APP control

pening size: panel length 107mm, high 25mm
Center hole distance: 95mm
Circuit board size: 79mm (long) x 58mm (wide)
Basic function
1 support stereo Bluetooth speaker, Bluetooth 4 mobile phone and other equipment can be sent via Bluetooth to the music box (A2DP); 2 support speakers via Bluetooth devices such as mobile phone terminal control switch on the next song, adjust the volume, with the phone (AVRCP); 3 Bluetooth Based on CLASS 2 power levels, with the Bluetooth 4 specification, compatible Bluetooth 3 and the following version application, transmission speed can reach 3Mbit/s
4 support to play Card SD/MMC and U disk music, music format are: MP3, WMA, APE, FLAC, WAV,
5 support FM, the frequency band is: 87.5MHz~108MHz;
6 support AUX input is an external audio source through the AUX access and speakers can adjust the volume on the speaker;
7 support the status of the speaker broadcast, can play a variety of speaker status and can be modified according to user needs broadcast language;
8 support function switch hotkey (a key in Card, AUX IN USB device/USB, U disk, FM card, Bluetooth, broadcast (MODE) key on the remote control function switch);
9 support firmware encryption;
10 support USB connection to PC for firmware upgrade / mass production;
11 FAT16, FAT32, ExFAT/Fat64 file system support;
12 support directory series: 8 sub directories;
13 supporting documents: a single directory does not limit the number of documents, the total number of music files within 9999 can be supported;
14 support SD/MMC/SDHC;
15 support USB2.0, fully compatible with USB1.1;
16 32 volume (volume level can be configured),
17 support the background of Bluetooth, Bluetooth connection can play card /U disk music and FM;
18 support Spp remote control, that is, the phone installed APK or APP can support the remote control function of the speaker.
19 support Bluetooth SIRI function
20 support DAE virtual sound
21 support PEQ audio compensation
22 DC (DC) input, applicable to 9~12V
23 more security: the design of anti reverse power, even if the reverse connection of the power supply can not be burnt out products

APP:
​IOS APP: Seach "BT BOX" in appstore.
Android Phone APP down load