Horn loudspeakers are the oldest form of loudspeaker system. In 1985 EAW became famous by developing the KF850 loudspeaker system. An underground loudspeaker system is available if needed. While at McCune John first realized his idea of a fully integrated loudspeaker system. This includes managing three programs, MISO-Broadcast, Next Generation Loudspeaker System, and MISO-Print. After they leave, Chase slips back into the laboratory and destroys the loudspeaker system. A loudspeaker system informed the passengers of the flight arrivals and departures.