reproducer vs audio system

reproducer and audio system both are nouns.

Word	Noun	Adjective	Verb	Adverb
reproducer	Yes	No	No	No
audio system	Yes	No	No	No

As nouns, audio system is a hypernym of reproducer; that is, audio system is a word with a broader meaning than reproducer:

reproducer: an audio system that can reproduce and amplify signals to produce sound
audio system: a system of electronic equipment for recording or reproducing sound

Other hypernyms of reproducer include sound system.

reproducer (noun)	audio system (noun)
an audio system that can reproduce and amplify signals to produce sound	a system of electronic equipment for recording or reproducing sound