Slim, Long Unit With Built-in Speakers for TV
This page is the CodyCross answer for the clue below from The 70's, Group 329, Puzzle 3 (Pentagon Papers).
Question is: Slim, Long Unit With Built-in Speakers for TV
and the answer is: SOUNDBAR
Word Meaning:
SOUNDBAR — A bar containing multiple speakers that can be mounted under or alongside a television, etc. instead of having separate speakers positioned around the room.
Definitions from Wiktionary.