Sony offers the MDR-DS7100 wireless headphones that utilizes the 2.4GHz wireless technology. The new overhead headphones are compatible with Dolby Pro Logic IIx offering the Virtualphones Technology that provides a virtual 7.1-channel sound. It has a large 50mm sound drive.
Sony MDR-DS7100 includes a base station for broadcasting signals with a range of about 100-feet. The unit is supports Dolby Digital, Dolby Digital EX, DTS, DTS-ES, MPEG-2 AAC audio codecs. Sony MDR-DS7100 will be available on 21 October 2009 for about 18,000 Yen.