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About the DM90
The Definitive Technology Dymension DM90 is a pair of compact, upward-firing speaker modules certified for Dolby Atmos and compatible with DTS:X. Engineered to dock seamlessly onto the top of Dymension DM70 and DM80 floorstanding speakers via a snap-in connection system that eliminates additional wiring, the DM90 reflects sound off the ceiling to create realistic height effects in home theater setups. Featuring a 1-inch aluminum oxide dome tweeter for crisp highs and a 5.25-inch BDSS mid/bass driver with Linear Response Waveguide for smooth midrange and wide dispersion, it delivers detailed, immersive audio for movies, music, and gaming. Voice-matched to the Dymension series, it blends aesthetically with a black finish and acoustically transparent grille. Still actively manufactured and sold.
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