squawker vs loudspeaker

squawker and loudspeaker both are nouns.

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

As nouns, loudspeaker is a hypernym of squawker; that is, loudspeaker is a word with a broader meaning than squawker:

squawker: the loudspeaker on an intercom or public address system
loudspeaker: electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance

Other hypernyms of squawker include loudspeaker system, speaker, speaker system, speaker unit.

squawker (noun)	loudspeaker (noun)
the loudspeaker on an intercom or public address system	electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance
a person given to excessive complaints and crying and whining