You can get a pair of Wilson LoKe's for a measly $17,500.
Magico Titan 15 $32,000 active subwoofer overview
The American company Magico called its Titan 15 "the best active subwoofer". The Magico Titan 15 is a 177kg aluminum bar with rounded corners and a 15" long-throw bass driver at each end. The maximum deviation of the moving system of such a speaker from the center point was 1.6 inches in each direction.