AKG K702 High-End Reference Headphones - revolutionary flat wire voice coil technology, Varimotion 2-layer diaphragm, dynamic, open back design, 62ohm impedance, frequency range: 10Hz-39.8kHz, 200mW maximum input power, 3m cable with gold-plated 3,5 mm jack connector, incl. 6,3 mm adapter, Weight: 297 g (not including cable)