Who are some of elite sub woofers?

Thank you all for insight.
Budge I'm guessing $1500 but thought about only one?Millercarbon suggested 3-4? That would change budget considerably.

I was not trying to be a snob by saying elite! I was afraid high end would get 4 figure costing subs. I don’t want cheap just to have a sub or two.

Why sealed or ported? Personal preference or is there better sound?

I regret using the word elite. Unintended consequences! I should have listed price points.

I had not thought of just adding more subs. Might be best idea.

Just trying to see what is popular in this price range.

Thanks for all the replies.