The big difference maker imo in movie theater experience is size and sound. You still need to drop about the same few thousand dollars you had to drop in 2002 to buy a proper projector and sound system today. 85 inch low pixel density screen and a sound bar ain't it, but if it is it for you, you are probably no discerning audiophile who would have probably have been fine with whatever was sold in a comparable market segment in 2002 (refrigerator width crt displays were in fact all the rage and very desirable at one point).
You can drop about $800 on a great 1080p projector, screen, and a pair of AirPods that will give you better surround sound than most speaker systems will give you.
My projector screen takes up more of my vision than any movie theater screen I've ever seen except IMAX.
I'm sorry but airpods and a 1080p screen from your couch are on a different planet compared to theater sound and even liemax or smaller formats. You can't feel sound from an airpod in your chest.
