Audio system and Electronic equipment

Audio system noun - A system of electronic equipment for recording or reproducing sound.

Electronic equipment and audio system are semantically related. In some cases you can use "Electronic equipment" instead a noun phrase "Audio system".

Electronic equipment noun - Equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor).

Audio system and electronic equipment are semantically related. Sometimes you can replace phrase "Audio system" with "Electronic equipment", this phrases are similar.