beyerdynamic Premium Headphones 32 OHM Includes Bonus FiiO Portable Headphone Amplifier More BEYERDYNAMIC AUTHORIZED DEALER With FULL Warranty INCLUDES BONUS FiiO A5 Portable Headphone Amplifier (Titanium) AND 64GB MicroSDXC High-Speed Memory Card ALSO INCLUDES Screwable 6.35 mm / 1/4" Adaptor, Leatherette Carrying Bag THE FAMOUS DT 990 Premium, 32 ohm version; Stereo Headphone for MP3, iPhone, iPod and home audio applications, analytical, true sound reproduction. 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. TWO-YEAR manufacturer warranty only when purchased from an authorized BeyerDynamic dealer.