Sound you can rely on - Superior build quality - Every part is replaceable The DT 990 PRO is an open dynamic headphone for studio applications. Due to a weight reduction of the diaphragm an excellent sound reproduction quality is achieved. Its rugged design with a spring steel headband ensures a secure fit and withstands all demands. Soft headband and ear cushioning systems ensure a high comfort over long periods of time. Characteristics:Open diffuse-field studio headphone250 ohmsProfessional version of the many times awarded \"DT 990\"Extremely lightweight diaphragm for superb impulse performanceExcellent sound reproductionRobust, easy serviceable construction as all parts are replaceable3.0 m (9.8 ft.) coiled cable (single sided)Including drawstring bagSpecificationsTransmission type WiredHeadphone design (operating principle) OpenHeadphone impedance 250 ohmsHeadphone frequency response 5 - 35.000 HzNominal sound pressure level 96 dBConstruction Circumaural (around the ear)Cable & plug Coiled connecting cable with mini-jack plug (3.5 mm) & ¼\" adapter (6.35 mm)Net weight without packaging 250 g