speaker system

Pronunciation:			'speekur 'sistum
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WordNet Dictionary
	Definition:		[n]  electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
	Synonyms:		loudspeaker, loudspeaker system, speaker, speaker unit
	See Also:		bullhorn, electro-acoustic transducer, intercom speaker, loud-hailer, PA, PA system, public address system, squawk box, squawker, tannoy, tweeter, woofer