This system increases the apparent volume of vocals, musical instruments, other sound sources, or recorded sounds or music. The sound enhancement system can be used in public places where announcers, performers, etc. Typical applications include sports fields, public transport and facilities, live or recorded music venues and events. A PA system may include multiple microphones or other sources, a mixer to combine and change multiple sources, and multiple amplifiers and speakers for higher volume or wider distribution. Simple public address systems are commonly used in small rooms such as school rooms, churches and small bars. Acoustic reinforcement systems with many speakers are widely used for presentations in public, institutional and commercial buildings and places such as schools, stadiums, cruise ships and airplanes.
Public address (PA) system
Public Address | Bosch Security and Safety Systems I Global
With more than 90 years experience in designing and developing communication products, Bosch has established unrivalled leadership in the field of public address and voice alarm systems. Get all messages across, no matter what. High-quality public address and voice evacuation systems are essential for dealing with security and safety challenges. To be truly effective, a public address and emergency sound system must deliver exceptional performance and reliability.
Public address system
A public address system PA system is an electronic system comprising microphones , amplifiers , loudspeakers , and related equipment. It increases the apparent volume loudness of a human voice, musical instrument, or other acoustic sound source or recorded sound or music. PA systems are used in any public venue that requires that an announcer, performer, etc.
An electronic voice-amplification apparatus used for singing, giving a speech, or broadcasting in public areas. A public address system is an electronic sound amplification and distribution system with a microphone, amplifier and loudspeakers, used to allow a person to address a large public, for example for announcements of movements at large and noisy air and rail terminals. The term is also used for systems which may additionally have a mixing console, and amplifiers and loudspeakers suitable for music as well as speech, used to reinforce a sound source, such as recorded music or a person giving a speech or distributing the sound throughout a venue or building.