The Bowers & Wilkins Z2 AirPlay Speaker System ($400) features a top-mounted Lighting dock that fits iPhones and iPods, as well as built-in Wi-Fi for AirPlay support. Other features include class D amplifiers, custom 3.5-inch drivers with fiberglass cones, a glass-reinforced ABS enclosure, a 3.5mm auxiliary input and your choice of black or white.