Yamaha developed the only true wireless systems back in 2005 with the revolutionary YSP-1. Since then the technology has advanced considerably with the YSP-5100 the perfect example of this. Using exclusive Yamaha technology, the YSP-5100 produces beams of sound that bounce around the room, producing true 7.1 channel surround sound. And with HD Audio decoding, iPod and iPhone connectivity via the included wireless transmitter and an FM tuner, the YSP-5100 is the premium sound bar in the market today. The same width as 50â€ televisions, it is the ideal audio companion to your large flat panel television.