When Apple announced AirPlay, it also confirmed that several AirPlay-enabled third party speakers would come out for consumers to use in conjunction with iPhones and iPads without the need of setting up a wireless system based on AirPort Express. Since then, though, those speakers haven't found their way to the market. Yet.
As noted by Engadget, a first AirPlay-enabled speaker by JBL just hit the FCC with manual, photos and detailed specs. The unit will feature a curvy design, a dock connector and a display to set WiFi information and check on the album artwork as part of the metadata shared by AirPlay. Engadget is also reporting that more AirPlay-enabled devices will be unveiled at CES 2011.
If you can't wait for actual speakers to come out next year, you can still turn any iOS device into an AirPlay speaker. Meanwhile, on Apple's website: