The K275 over-ear, closed-back, foldable studio headphones from AKG company. AKG delivers unmatched sound quality and comfort in this new family of Foldable Studio Headphones and the new K275 represents the culmination of decades of refinement. These headphones offer the best-in-class frequency response, delivering unrivaled clarity and detail, making it easy to hear subtle detail and to create mixes that translate well across different playback systems. The superior sensitivity and low impedance offer maximum output before distortion, so you can use them even when playing music on lower-powered devices. The K275 offer large 50 mm transducers to create greater low-frequency extension and detailed bass reproduction. This makes it easy to define each and every instrument during hearing, so this model is ideal solution for those, who are serious about editing and mixing music and are looking for more than thumping bass in their headphones. With a completely foldable design, made possible through an innovative, three-axis hinge, the K275 can easily be collapsed and transported in tight spaces. They offer a self-adjusting headband and floating ear cups with ability to be worn for hours on sessions, fatigue-free, due to their lightweight and comfortable slow-retention foam per pads. With a durable all-metal hinge designed for years of use.