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The 120W speaker has two built-in subwoofers, two full-range drivers, and two tweeters Anker says come paired with two bass reflex ports, which is an efficient type of enclosure that helps aid in the handling of low-frequency sounds.

The sound bar itself has two tweeters, two woofers, and two sub-woofers, as well as Yamaha's "bass reflex port," which the company claims pads out the lower end, meaning you shouldn't have to stump out for a separate sub-woofer.