Description: Closed-back performance meets open back sound AKG K553 MKII is the ideal closed-back, over-ear studio headphone for monitoring, mixing and mastering. Designed for peak performance and maximum comfort, AKG K553 MKII combines the noise-isolating qualities of a closed-back headphone with the spacious, dimensional sound of an open-back design. The 2” (50mm) low-impedance drivers provide strong, accurate, and distinguished bass response, with enough sensitivity for precise sound reproduction on laptops and mobile devices. Extra-large soft ear pads ensure stress-free listening over long sessions. AKG K553 MKII even features a detachable cable and 2D-axis mechanism that enables flat folding for easy storage or handling on the road. Features: Headphone type: over-ear, closed-back Audio frequency bandwidth:12 - 28000 Hz Sensitivity:114 dB SPL/V MAX input power: 200mW Audio bandwidth:20 - 20000 Hz (± 3 dB) Rated Impedance:32 Ohms Earpads:Leatherette Earpads replaceable: Yes Connector: Screw-on Jack Combo (1/4" and 1/8"), gold plated Foldable: Yes Dimensions: Length:113 inches Width:180 inches Height:175 inches Cable:Detachable: yesWearing Style:Over-ear: yesApplication: Studio Monitoring: yes Studio Mixing: yes Hi-Fi Listening: yes Mobile Devices: yes Cup Style:Closed-back : yes