sound-reinforcement system

sound-reinforcement system

[′sau̇nd ‚rē·in′fȯrs·mənt ‚sis·təm]
(engineering acoustics)
An electronic means for augmenting the sound output of a speaker, singer, or musical instrument in cases where it is either too weak to be heard above the general noise or too reverberant; basic elements of such a system are microphones, amplifiers, volume controls, and loudspeakers. Also known as public address system.

sound-amplification system

A combination of one or more microphones, amplifiers, loudspeakers, and associated electronic controls; used to increase the level of a sound source so that it may be heard clearly in all parts of an auditorium, large room, open-air theater, etc.
References in periodicals archive ?
The first half of this year again saw the installation of new equipment, which includes the Midas XL8 audio mixing console, sound-reinforcement system, microphone system, and communication and intelligent lighting systems.
The original acoustician, Chris Jaffe (Jaffe Holden Scarbrough Acoustics), designed a pioneering sound-reinforcement system to correct the hall's shortcomings.