Bose (40390) SL2 wireless surround link
The Bose SL2 system gives you an easy, flexible option to installing a home theater system in their home. The Bose SL2 system is an accessory for all 5.1 Lifestyle and Acoustimass home entertainment systems that allows owners to enjoy a discrete 5.1 surround sound experience without running wires from the front of the room to the back of the room. The surround speakers are powered by and wired to the wireless receiver.