AKG K- K- 267 Tiësto - DJ-headphone - developed with Tiësto (DJ and music producer), closed back, over-ear, dynamic, 3D-folding mechanism, anodized aluminum parts for highest durability, comfortable headband, adjustable bass boost keeps sound neutral or maximize deeper sub bass frequencies in three steps, cable run left or right, 50 mm driver, 32 ohms rated impedance, 112 dB efficiency, frequency response: 5 - 30000 Hz, 3500 mW maximum input, 3.5/6.3mm stereo adapter, cable length: 1,2 - 5,5 m, 3m straight cable, incl. bag, Weight: 330g (without cable)