You can buy wired headphones for $600, so why not throw a pricey cordless pair into the mix? That seems to be Sennheiser's approach, which quietly launched the RS 220 wireless headphones at CES Unveiled in New York City tonight. The cord-free cans pipe analog, coaxial or optical tunes from a glossy black base station over a 2.4GHz DSSS connection, which seemed to work fairly well even in the crowded event space -- chock full of hundreds, perhaps even thousands of wireless devices.
A packed noisy environment isn't the ideal location to conduct audio tests, but given the conditions, the RS 220 performed well -- Aerosmith's Love in an Elevator
