9 letters · 17 points in Scrabble
noun a loudspeaker that is designed to reproduce very low bass frequencies
originEtymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- English woof English -er English woofer English subwoofer From sub- + woofer.
Etymology from Wiktionary, CC BY-SA 3.0