Canton AS 85 Active Front-Firing Subwoofer (Single, Beech) for $308.4

Canton's AS 85 SC is an active front-firing subwoofer. Able to handle up to 150 watts, each enclosure houses a 9-inch aluminum wave surround woofer. The AS 85 SC features Canton's SC technology, which uses individual filter switches to extend the subwoofer's transmission range by an octave or more, with a consistent, clear sound.