Speaker System

Speaker System
Is there a speaker system that can be remotely operated by a home AV receiver?

I have an Onkyo SR703 receiver feed my entertainment system at home in my living room. I would like to have a speaker system in my backyard without wires.

You can try these options, but a cable yet rules ….. http://www.practical-home-theater-guide.com/wireless-speakers.html'm really not impressed by the wireless units but ……