Price Match Guarantee Definitive Technology Dymension DM20 Slim Center Channel Speaker Level up your home theater audio with the Definitive Technology Dymension DM20 Center Channel Speaker - a slim, wall-mountable center speaker that delivers impressive performance in any home stereo system. This speaker features four 4" long-throw midrange woofers that use composite polymer cones to produce better midrange detail and optimize driver excursion for improved low-end performance, while the 1" custo