Focus Enhancements Summit Wireless
Lose the speaker cables without losing a single detail from the soundtrack. Focus Enhancements new wireless technology delivers the pinnacle of wireless audio: uncompressed 7.1-channel surround sound. To take advantage of it, you'll need speakers equipped with the Summit chip (Aperion Audio will start selling the first set next year) and a module to attach to your receiver or Blu-ray player that allows it to send audio to the speakers (evenutally source components will have the technology built in as well). It uses a dedicated channel in a recently opened part of the radio spectrum, which eliminates interference from Wi-Fi or microwaves and affords enough bandwidth to beam 7.1 channels of surround sound with an inaudible delay of only 2.2 milliseconds.
Price not yet set; summitwireless.com