The VA-6500 EVAC System is a must to respond quickly to the train management of urban railway system.
The VA-6500 EVAC System has two main roles as follow:
* Business Broadcast & BGM.
* Emergency Broadcast.
For the audio broadcasting in the tunnel, this solution hereby solves the problems that exist in the traditional interval broadcasting audio transmission over a long distance.
Technological breakthrough：
*Ultra long-distance audio transmission. (Maximum 6Km).
*Solve the problem of speaker loop detection under strong electric field interference to
accurately detect loop faults.
Commercial value:
*The equipment is installed in the station equipment room for centralized management and easy maintenance.
*Compared with the traditional solution, the cost is only about 1/10 of the traditional one.
Patent：
*Applied for Invention Patent and Utility Model Patent.
