Series 3

The elaborate inner-workings of the Wilson Audio X-2 Alexandria speaker ($125,000 per pair) are normally hidden by a heavy machined cover. The red blocks are potted crossover modules, while the spikes above them are used for adjusting the angle of the speaker's upper driver modules. [www.wilsonaudio.com]

Wilson Audio showed speakers in a few new standard colors, including the desert silver of the X-2 Alexandria, and a couple of upgrade colors as well. We loved the titan red of the WATCH Dog 2 subwoofer to the far left. [www.wilsonaudio.com]

Polk Audio's Paul DiComo explains the features of his company's upcoming IP-addressable speakers.

Always observant, Marc Mickelson quickly realizes he's been caught on Sony's version of Candid Camera and projected in the company's clever "video window" display.