pa system

English Thesaurus

1. an electronic amplification system used as a communication system in public areas (noun.artifact)

hypernym	:	communication system,
definition	:	a system for communicating (noun.artifact)

part holonym	:	amplifier,
definition	:	electronic equipment that increases strength of signals passing through it (noun.artifact)

part holonym	:	loudspeaker, loudspeaker system, speaker, speaker system, speaker unit,
definition	:	electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance (noun.artifact)

part holonym	:	tannoy,
definition	:	a loudspeaker (noun.artifact)