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The TV already has and supports Dolby atmos.
Sorry, there was a problem. Please try again later.You can visit https://www.tclusa.com/products/home-theater/6-series/tcl-75-class-6-series-4k-uhd-hdr-roku-smart-tv-75r617 for all currently available specs and information on this model. Hope this helps! Thank you, TCL Customer Support
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