4DX is the ultimate experience involving motion chairs and specials effects like wind and rain. AMC does not have 4Dx theaters. They do D-Box technology instead. The one in California is near Los Angeles, AMC Thousand Oaks 14. See here: https://www.amctheatres.com/dbox Regal is doing 4Dx theaters. The closest California one is Sacramento, Regal Natomas Marketplace. See here: https://www.regmovies.com/static/en/us/theatre-list
What is 4dx?
There is a 4Dx in Sacramento not sure about a closer one to Oakland
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