单词	woofer
释义	woofer /ˈwuːfə/ /ˈwʊfə / noun A loudspeaker designed to reproduce low frequencies.A 150-watt subwoofer hooks up with two satellites that hold four-inch woofers and one-inch tweeters to generate crisp highs and a clear midrange.... Most so-called subwoofers are just woofers; real subwoofers address subsonic and very low bass frequencies, so you can feel them in the pit of your stomach. For music lovers there are in-car entertainment systems including CD changers, amplifiers, woofers, speakers and tweeters in a mind-boggling range. Origin 1930s: from the verb woof1 + -er1. Rhymes hoofer, loofah, opera buffa, roofer, spoofer, tufa
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