Price Match Guarantee Definitive Technology Dymension DM80 Bipolar Floor-Standing Speaker with Built-In 12" Powered Subwoofer (Each) Level up your home theater audio with the Definitive Technology Dymension DM80 Flagship Tower Speaker - a bipolar floorstanding speaker. DM80's fully balanced bipolar arrays are adjusted to optimize for room placement and hold a rear-array attenuation switch for near-wall placement. The 3XR Architecture combines an integrated 12" powered subwoofer powered by an all