The K 701 open-back dynamic headphones use AKG's cutting-edge flat-wire technology for a truly dramatic sound that places every musician at their correct location with pinpoint accuracy. This kind of agility, spaciousness, brilliant highs, and velvety, punchy bass is simply remarkable. AKG's Varimotion 2-layer diaphragm ensures optimum diaphragm motion for extremely accurate high-frequency response and a powerful low end. The K 701 offer the utmost comfort with a self-adjusting cushioned genuine-leather headband and specially shaped "3D-Form" ear pads. Bi-wiring, high-performance cable with 1/4" jack plug. Comes with a stylish storage cradle. Individually tested and numbered.