Elliptical, circumaural (over ear) closed back design delivers maximum comfort while isolating ambient noise in the loudest of listening environments Many critical components are machined from metal that contribute to superb audio performance while providing legendary Sennheiser reliability and durability Both ear cups swivel up to 210 Degree, providing many wearing positions and the supplied single-sided cables (coiled and straight, 3m) can be attached to either ear cup Legendary Sennheiser sound quality combined with high SPL capability (115dB) and ambient noise isolation insures a perfect mix in any environment; 95-ohm impedance for optimum compatibility with DJ equipment Premium protective case included; Two year warranty