German Maestro GMP 8.3000 D Professional Stereo Headphones - housing made of special extremely durable PE material - nearly indestructible, synthetic lether ear pads, closed-back, over-ear design, 300 Ohms impedance, frequency range: 20 - 27400, sensitivity: 100 dB, maximum input power 100 mW, one-sided cable run, 3m straight cable with 3,5 mm right-angled/gold plated plug and 6,3 mm adapter, weight (not including cable): 220 g