Price Match Guarantee Definitive Technology Dymension DM90 Add-On Dolby Atmos Speaker Modules for DM70 and DM80 Towers (Pair) Heighten your Dymension DM70 and DM80 bipolar tower speakers and make them Dolby Atmos enabled with the Definitive Technology Dymension DM90 Integrated Height Module - a purpose-built add-on module that features upward-firing drivers for a more immersive listening experience through Dolby Atmos and DTS:X soundtracks. The snap-in connection system of this Dolby Atmos speak