Beyerdynamic DT 990 Edition 600 Ohm Over-Ear-Stereo Headphones. Open design, wired, high-end for use with headphone amplifiers

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 Analytical and high-resolution audio reproduction Features: * The famous DT 990 Premium, 600 ohm version; Stereo Headphone for high power requirements, headphone amps, home audio applications. Connectivity Technology: Wired * 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 * 2 year manufacturer warranty only when purchased from an authorized beyerdynamic dealer. * Frequency Response - 20 - 23,000 Hz and Impedance - 28 ohms