Minimum sound leakage & maximum reduction of ambient noise. The K272HD headphones deliver both, with an around-ear, closed-back design that makes them a great choice for broadcast & audio engineers. Offering the same accurate performance & uncoloured sound that has made the AKG K270 Studio headphones indispensable in radio, TV & recording studios around the world. These headphones are lightweight, comfortable & rugged enough for any environment. Around ear, closed back design Self adjusting headband comfortably conforms to your head Gimbal suspended phones settle snugly against ears without pinching Ultra soft velvet earpads Loud & rugged, ideal for single-ear DJ use High efficiency output with wide dynamic range, perfect for mobile environments Single sided, 99.99% oxygen free cable for pure sound transmission Hard gold plated contacts & plug with 3.5-6.3 mm adaptor