Sony’s MDR-HW700DS are ‘world’s first’ wireless 9.1 channel surround sound headphones

Sony has released a new set of headphones it claims are the first wireless 9.1 channel surround sound headphones to have come on the market. The MDR-HW700DS headphones might not have the catchiest name, but they promise to offer an acoustic experience with full 3D sound, and they certainly catch the eye. The wireless nature of