The ARM-911A responds to public address requirements and Voice Alarm Messaging for small to medium installations.The microphone can be used for live instant voice messaging. 10 buttons on the microphone station are used to activate any messages. A telephone paging input allows the ARM-911A to be connected to the paging port of a PBX for live telephone paging and message triggering.

A built in programmable timer allows for scheduled payback of any of the 10 recorded message and other web-browser control panel up-loadable files. The ARM-911A can also be used for both electronic School bell and automated message playing.