Characteristic explanation：

• AP-9801 the MP3 intelligent control center, by the advanced microcomputer control technology, the digital MP3 playback technology, the large-scale liquid crystal display technology integrated design becomes, uses the standard project engine case, was advantageous for the upper spider to compose the integrated control system with other establishments, this aircraft has gathered functions and so on MP3 player, clock controller, succession power source controller, Pre-amplifier, district controller, fire alarm apparatus in a body, thus realized, functions unattended truly and so on background music broadcast, paging warning, was the general enterprises, Institution’s first choice product.