German Maestro GMP 8.35 D Monitor Headphone Frequence response 20 - 27,000 Hz Nominal impedance 35 Ohm Acoustical principal - closed with average pressure on the ear 5.5 N Weight without cable 220 g Connector - Multi-stereo-jack 3.5 / 6.3 mm Spiral cable 1.5 / 3 m