Ultrasone Signature DXP, Headphones, S-Logic Plus technology, 50 mm Driver (mylar), Magnet NdFeB (neodymium), Closed, Circumaural, Dynamic, Impedance: 32 ohms, Sound pressure level: 115 dB, Transmission range: 5 - 30,000 Hz, ULE technology (ultra low emission), Removable cables, 3m Spiral cable with gold-plated 6.3 mm jack plug, 1.2m Straight cable with gold-plated 3.5 mm jack plug, Weight without cable: 290 g, 5-Year manufacturer's warranty