Comtrol Asia central amplifier systems comprise a rack, or racks, containing audio and control equipment for public address systems.

Systems are supplied for onshore and offshore oil /gas complexes, and for a variety of marine vessels, including tankers, passenger liners / ferries, supply boats, and cargo carriers.

Comtrol PAPL systems are supplied for mines, on-shore / offshore oil and gas complexes, pharmaceutical plants, crane operations etc.

Combined PA and Party Line units with central amplier systems are provided to allow independent systems to intercommunicate, and to share some facilities.