Ultrasone Signature Studio, Studio Headphones, S-Logic Plus technology, Titanium-coated 40 mm driver, NdFeB (neodymium) magnet, Closed, Circumaural, Dynamic, Impedance: 32 Ohm, Sound pressure level: 98 dB, Frequency response: 8-40000 Hz, ULE technology (ultra low emission), Detachable cable with B-Lock connection, 3 m spiral cable with gold-plated 6.3 mm jack, 1.2 m straight cable with gold-plated 3.5 mm jack, Weight without cable: 290 g, 5 Years manufacturer's guarantee