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The background music of intelligent control system has 13 products:

1.BA-A5574
7 channel audio input, output 4 high fidelity stereo music, built-in FM, MP3 playing module, audio switching module and a timing module; luxury large screen VFD display; double infrared learning

2.BA-A5576
7 channel audio input, output 6 high fidelity stereo music, built-in FM, MP3 playing module, audio switching module and a timing module; luxury large screen VFD display; double infrared learning

3.BA-A6674S
Other than A55 series all functions, each channel can be any on-demand U disk on the MP3 tracks without interference, each room can be synchronous or asynchronous listening to different or the same MP3 tracks .

4. BA-A6676S
Other than A55 series all functions, each channel can be any on-demand U disk on the MP3 tracks without interference, each room can be synchronous or asynchronous listening to different or the same MP3 tracks

5. BA-A6678S
Other than A55 series all functions, each channel can be any on-demand U disk on the MP3 tracks without interference, each room can be synchronous or asynchronous listening to different or the same MP3 tracks

6. BA-A66LTD
RS485 connection with the use of backaudio, 86 into the wall mounted, color touch control

7. 5BGMA807
86 into the wall installation, support the SD card, can take the 2 Road audio output, built-in MP3 player, power amplifier and other functions, color touch control