Portable speaker plugs directly into a wall outlet
JBL has announced a new speaker specifically made for Apple AirPlay device is called the SoundFly Air. The speaker sells for $199 and the AC adapter is built into the speaker. The entire speaker hangs off the front of your outlet when you plug it in and has 20 W of power.
The speaker also supports a free downloadable app that allows the user to view album art along with music. The app also allows the user to adjust volume and customize the sound. The speaker will be available soon and can be pre-ordered now.