from: http://www.engadget.com/2011/09/02/sony-sa-ns500-homeshare-speaker-knows-how-to-work-a-room/:

Finally, a HOMESHARE Chair with built – AirPlay for streaming wirelessly from your iThing or Apple TV. It will cost you though: when the NS500 comes in stores in late October or early November, you can expect to see a price tag of $ 399 growing strapped around his neck logarithmic. Sony assures us that you will get some heavy audio for the money, with four drivers and a subwoofer placed in a unilateral David Guetta at the pump in every nook and cranny. We will hold for a while due consideration to tell you how it seems.