Stereo_Electronics 0 Report post Posted December 31, 2010 Audio Technica BB-500 The first adjustable behind-the-head headphones by Audio Technica. Great Style and Great Sound. Design that doesn't mess up your hairstyle. Available in Black and Camouflage Colours.Specification: Type: Closed back Driver: 44mm Outpput sound pressure: 103dB/mW Frequency response: 20~22000Hz Maximum input power: 1200mW Impedance: 34ohms Weight(without cord): 210g Plug: 3.5mm gold plated Cord length: 1.2 m Exclusively @ Stereo only! Share this post Link to post Share on other sites