The DT 990 PRO 250 by Beyerdynamic is an acoustically open dynamic headphone of exceptional quality, suitable for the most demanding monitoring and studio applications. The reduced weight of the diaphragm and moving coil results in similar pulse characteristic as electrostatic headphones. The carefully tailored frequency response offers a natural and balanced sound. Soft velour ear pads and adjustable, sliding, earpieces combined with a very flexible coiled cable ensure listening comfort during extended periods of use. The DT 990 PRO 250 features 250 ohm drivers and a gold plated stereo jack with 1/4" "adapter. Since 1924 Beyerdynamic has remained a German family owned company committed to continuous research and innovative developments for the audio market. All over the world, Beyerdynamic is known for the use of the latest technologies and a high quality standard. All Beyerdynamic products are made in Germany.