The Audio Spotlight by
Holosonics directs sound using ultrasonic technology. You may use it to make specific areas of immersive sound. This also uses standard audio inputs, so one may plug in a microphone and talk to specific people from across a large area with ease. Great for making old people think the reaper is upon their shoulders.
Pricing isn't even listed directly on the site, although likely hidden somewhere you wouldn't find. Googling the prices for these will only cause your mouth to crash down to China, so I don't advise it. All I'm saying is: This is f*ckin' cool, ya'll.
