loudspeaker system vs loudspeaker

loudspeaker system and loudspeaker both are nouns.

Word	Noun	Adjective	Verb	Adverb
loudspeaker system	Yes	No	No	No
loudspeaker	Yes	No	No	No

As nouns, loudspeaker system and loudspeaker are synonyms defined as:

loudspeaker system and loudspeaker: electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance

Other synonyms of loudspeaker system include speaker, speaker system, speaker unit.

loudspeaker system (noun)	loudspeaker (noun)
electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance	electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance