Monitoring Headphones Features at a glance Clean, balanced, honest representation of your source Closed back, circumaural design with 180° cup rotation 40 mm magnet driver Dynamic transducer Strong, flexible, lightweight manganese headband Tightly-stitched, padded headband and ear cups for stylish comfort Cable length: About 9.8ft (3m) when fully extended Gold plated 1/8-inch (3.5mm) connector Screw-on 1/4-inch (6.3mm) adapter Impedance: 32Ω Sensitivity: 95dB (+/- 3dB) Frequency response: 15 - 22k Hz Max power: 400mW Includes a black leatherette travel bag Spec description Operating principle Closed Transducer type Dynamic Frequency response 15Hz - 22kHz Max power 400mW Impedance 32Ω Connection 1/8" (3.5mm) gold-plated stereo mini jack1/4" (6.3mm) adapter Cable length About 9.8' (3m) when fully extended Sensitivity 95dB (+/- 3dB) Accessories 1/4" (6.3mm) adapter, Travel bag