Add this to your PA to get to the back of the room or odd shaped rooms? I came across this on another forum where the guy is really fired up about it. He really got stoked when they said the ultimate test would be where they play in a room that has terrible acoustics and they can't get enough sound to the back without blasting everybody out up front. After the gig, he said it worked great.

The thing that shows the iPod is the transmitter. It has connection jacks. The other thing is the receiver/speaker.

Brookstone wireless speaker