Woofer is a coordinate term of squawker.
As nouns the difference between squawker and woofer
is that squawker is someone or something who/that squawks while woofer is an electronic speaker that produces low-frequency sound.
squawker
English
Noun
(
en noun)
someone or something who/that squawks
a person who complains or protests noisily
a loudspeaker used for frequencies intermediate between those of a woofer and a tweeter
woofer
English
Noun
(
en noun)
An electronic speaker that produces low-frequency sound.
Coordinate terms
* (low-frequency audio speaker) midrange, squawker, subwoofer, tweeter