World’s Most Powerful Subwoofer!

No, it’s not a fan. That, ladies and gentlemen, is the world’s most powerful subwoofer: the Eminent Tech TRW 17. Rather than your garden variety 10 or 12 inch paper cone pulsating back and forth, this subwoofer creates a wall of air as big as your living room. In other words, the entire room becomes a resonating box!

By rotating the fins and modulating the speed, frequency goes...