Features  Dynamic, closed back design Large soundstage with natural, balanced, lifelike sound reproduction Linear response throughout the frequency range Balanced studio quality sound with exceptional imaging Excellent for mixing, monitoring and general listening Over-the-ear design built for comfort and isolation Soft cushion ear cups with 90-degree swivel for easy single-ear monitoring High-performance phase coherent drivers Two detachable cables: 3.0 m (9.8') for studio, 1.8 m (6') for travel Specifications Operating Principle Dynamic Driver Size 50 mm Magnet Rare Earth Alloy Sensitivity (@ 1 kHz) 103 dB (± 3 dB) Impedance 30 Ohm Frequency Range 10 Hz – 30 kHz Connector 3.5 mm (1/8 in) stereo plug Cables 1.8 m detachable high density 3 conductor – 9 strands of braided silver coated oxygen free copper 3.0 m detachable high density 3 conductor – 96 strands of braided silver coated oxygen free copper What's Included? • CBLHP96 Headphone Cable – Detachable 1.8 m high density, 3 conductor – 96 strands of braided OFC with 3.5 mm stereo plug • CBLHP96XL Headphone Cable – Detachable 3.0 m high density, 3 conductor – 96 strands of braided OFC with 3.5 mm stereo mini plug • CBLADPT 3.5 mm (1/8 in) mini to 6.3 mm (1/4 in) threaded adapter • POUCHHP Protective carrying case