Won't need to spend anywhere near $15k but go for it if you must. Won't need to though because when it comes to bass more is better than better. In other words don't buy one or two subs with your $15k, buy three or four.
Hard to believe I know but Duke had a customer with a $30k sub budget who compared and went with four of his Swarm for $3k because it was better than any one or even two subs he could buy for $30k. So if you must spend the money then get four.
I'm saying this fifteen different ways because its so darn hard to get people to understand. Once they do, every single one who does it is blown away. Basically, there is no amount of money you can throw at this problem that will solve it as good with one as you can easily do with four, and for much less. Do a search. You will see.
Hard to believe I know but Duke had a customer with a $30k sub budget who compared and went with four of his Swarm for $3k because it was better than any one or even two subs he could buy for $30k. So if you must spend the money then get four.
I'm saying this fifteen different ways because its so darn hard to get people to understand. Once they do, every single one who does it is blown away. Basically, there is no amount of money you can throw at this problem that will solve it as good with one as you can easily do with four, and for much less. Do a search. You will see.