Audio Driver Unit : Over-the-head, Home-SuperAudio 50mm, dome type Frequency Response : 8 -100,000 Hz Impedance : 70 ohms Sensitivity (db) : 100 dB/mW General Diaphragm : (Nano composite) HD Headband : Carbon Composite frame, Adjustable Magnet : Neodymium (360 kJ/m3) Plug : Straight stereo Unimatch® plug gold-plated screw type, 3.5 mm stereo mini jack, UniMatch® adaptor Type of Use : Home Hardware Cord : Oxygen-Free Copper, Single sided, 3.5m texture type Headphone Type : Open-air, Dynamic, Circumaural, Urethane Leather material and Low Dispersion Power Power Handling Capacity : 1,500mW (IEC) Weights and Measurements Weight (Approx.) : 9.3 oz (265 g)