This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. An electronic speaker designed to produce low-frequency sound, especially bass.

n. a loudspeaker that is designed to reproduce very low bass frequencies

"He read somewhere there are headphones that have a built-in subwoofer or something."

speaker unit    loudspeaker system    speaker    speaker system    loudspeaker   

squawker    tweeter    midrange    woofer   

glasses(russiangost    youthworker    thill    input/    youve