Bowers & Wilkins' A7 AirPlay wireless music system ($799) features Apple’s AirPlay technology that wirelessly streams high-quality lossless audio or MP3s from iPhone, iPad, iPod touch, or iTunes on a Mac or a PC straight to A7. The Bowers & Wilkins A7 also provides the company’s highly-acclaimed Nautilus tweeters, a 6-inch Kevlar reinforced subwoofer, and five dedicated audiophile Class D amplifiers.