A public address system is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment. It increases the apparent volume of a human voice, musical instrument, or other acoustic sound source or recorded sound or music.
TRANSMIT audio signals at the highest possible level of quality, availability and flexibility.
INTEGRATE security equipment via signal input/output lines, e. g., for controlling video cameras, light switches or door actuators, handling incoming detector signals, etc.
RESPOND to on-site situations and acoustically monitor the area under surveillance as necessary.