subwoofer

[ suhb-woo f-er ]
/ ˈsʌbˌwʊf ər /

noun

a loudspeaker component designed to reproduce only extremely low bass frequencies, generally below 125 Hz.

Origin of subwoofer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for subwoofer

subwoofer

/ (ˈsʌbˌwuːfə) /

noun

a loudspeaker for reproducing very low frequencies only
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012