Audible mass notification can take on many flavors. Sometimes it’s an emergency like a fire alarm. Sometimes it’s not – such as an announcement for a library closing time. In a corporate environment the needs vary greatly. In fact, just defining a specific “environment” can get more difficult the deeper you look. On the surface we would think about an office with cubicles or individual rooms. But corporate environment could mean a warehouse, an assembly line, or specialized clean rooms in an industrial setting. If someone from the front office needed to make an announcement in any of these, the.