VA2000MA is head management and control unit of voice alarm and evacuation (EVAC) system. It is modular design to ensure simpler and flexible configuration, each modular is 4 zones, and maximum could be expanded to 64 zones. EVAC system is fully automatic operation includes, auto zone status supervision, auto equipment (All equipments include controller, amplifier, microphone and loudspeaker) management and status supervision, failure visual/vocal indication and automatic trigger, operation and control. The system integrates EVAC system together with Public Address (PA) system of additional features weekly timer, PC audio source broadcast. System management and supervision could be conveniently completed through the touch screen, higher level operation and setting could be fulfilled through the PC or LAN.