1) This audio system can be installed on the large scale area in easy way
2) The distance between audio control center and speaker units is extended to 3km
3) The digital audio system is independent from interference of other analog units which are produced a noise, and can supply a good quality without audio descent in long working time.
4) It is installed in variety environment such as factory, golf fields, residence area, park, construction area …
5) Because of this system is serviced by wireless technologies, it is bring stable and easy operation, easy A/S.
6) It is bring a benefit to be carried operating and A/S.