An operator & passenger announcement system was installed in 30 adjoining buildings including terminal and traffic control facilities for the Incheon International Airport in Seoul.

The Matrix system and an Inter-M powered amp were installed in the airport's PA equipment room, a custom paging solution where audio announcements were required to channel to specific areas as well as having an automatic announcement function with voice synthesis.

An Automatic Recovering System was further installed to minimize loss of information and settings.