Sony MDR7506 Professional Large Diaphragm Headphone

Neodymium magnets and 40 millimeter drivers for powerful, detailed sound.Specific uses for product : Professional audio system,Home audio system, Closed ear design provides comfort and outstanding reduction of external noises, 9.8 foot cord ends in gold plated plug and it is not detachable; 1/4 inch adapter included, Folds up for storage or travel in provided soft case, Frequency Response: 10 Hertz to 20 kilohertz, These large diaphragm, foldable headphones feature a rugged construction, a secure, highly effective closed ear design, Connectivity technology : Wired