Beyerdynamic DT 990 Premium 600 ohm - All Black Manufaktur Edition Over-ear Headphones The famous DT 990 Premium, 600 ohm version; Stereo Headphone for high power requirements, headphone amps, home audio applications Made in Germany, innovative "Bass reflex" system for excellent audio performance Open design, includes carry case, 11 oz light weight, Gold vaporized stereo 3.5 mm mini-jack & 6.35 mm adapter Limited Edition DT 990 600 OHM - All Black edition Manufacturered in Germany and Assembled in New York. 2 year manufacturer warranty only when purchased from an authorized beyerdynamic dealer.