Polk's new headphones take a licking, keep on sticking

LAS VEGAS--We've heard of headphones delivering new highs before, but never quite like this.

At the Polk Audio booth here at the Consumer Electronics Show, the manufacturer has set up one of the more brazen gimmicks at a show filled with brazen gimmicks: a trampoline gymnast who zooms toward the high convention-center ceiling with every jump. Of course, she's wearing Polk's new Ultrafit sports headphones, which--big surprise--stayed put despite her vigorous bounces.… Read more