Introducing Sony's top-of-the-line professional headphones. Get high power handling capability that stands the test of time, as well as unmatched levels of sound quality. Engineered for critical listening applications, ultra wideband 50mm HD driver units utilize liquid crystal polymer film diaphragms for crystal clear audio you can count on. The pliable cushions of the newly developed noise isolation earpads conform to the natural shape of your ear for added comfort and high acoustic isolation. Lightweight magnesium alloy housing decreases weight while increasing comfort, reducing fatigue, and helping prevent unnecessary vibration. Conveniently disconnect with ease thanks to the detachable cable.