Features  Dynamic, closed back design Excellent for audio playback and monitoring 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 Ultra wide sound field Deep, accurate bass Accurate reproduction of subharmonics 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 8 Hz – 28 kHz Connector 3.5 mm (1/8 in) stereo plug Cables 1.8 m detachable high density 3 conductor – 96 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 soft nylon woven jacket 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