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
Speaker System Producing Lowest Bass Frequencies
Answer
SUBWOOFER
Word Meaning:
SUBWOOFER — A loudspeaker designed to produce low-frequency sound, especially subbass.
Definitions from Wiktionary.