Speaker System Producing Lowest Bass Frequencies

This page is the CodyCross answer for the clue below from Prehistory, Group 1247, Puzzle 2 (Rock Art of Alta).

Question is: Speaker System Producing Lowest Bass Frequencies

and the answer is: SUBWOOFER

Word Meaning:

SUBWOOFER — A loudspeaker designed to produce low-frequency sound, especially subbass.

Definitions from Wiktionary.

Speaker System Producing Lowest Bass Frequencies - Prehistory CodyCross Answers | CodyCross Solutions