23% OFF
Definitive Technology Dymension DM90 Dolby Atmos Add-On (Open Box)
Available at Electronics Expo
$649.77$849.00price as of Sep 15, 2026, 09:05 AM
You save $199.23
On sale for $649.77 (was $849.00), these open-box DM90 modules let you add upward-firing Dolby Atmos height channels to your Dymension DM70 or DM80 towers with a snap-in connection for secure mounting. They’re described as like-new and ship with original accessories plus a parts and labor manufacturer warranty and a 30-day money-back guarantee. The angled drivers and BDSS mid/bass design are meant to reflect overhead effects for a more immersive listening experience.
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About Electronics Expo
- Electronics Expo is a New Jersey audio-video retailer — speakers, subwoofers, home-theater receivers, soundbars, turntables, TVs, plus car and marine audio from brands like Definitive Technology, JBL, Klipsch, Polk Audio, Yamaha, SVS, and Kenwood.
- Some listings are open-box or manufacturer-refurbished units rather than new stock. The deal page shows the condition and the product title says so too, but warranty coverage on these can differ from new — check the listing before buying.
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