Yash Global provides 24/7/365 emergency service on all of the various public address and intercom systems currently deployed on the MBTA. Most recently the MBTA replaced all of the existing station public address systems with a state of the art public address and variable message sign system. This computerized communication system provides up to date schedule information, delays, emergency notification and general public announcements both audibly and visually on the platforms and public areas in each transit station. A variety of other garage, car house and office intercom and paging systems are also supported.
The history of Public Address (P.A.) systems has started in ancient Greece where amphitheaters were designed so well that even the turning of pages by an orator could be heard in every seat.
A public address system (PA system) is an electronic amplification system with a mixer, amplifier and loudspeakers, used to reinforce a sound source, e.g: a person giving a speech, a playing music, and distributing the sound throughout a venue or building.
grapes P.A. systems combine the very latest technology in amplifiers, microphones and speakers to bring this ideal audio environment to modern public spaces. With these equipment so carefully designed, it looks as good as it sound
