The Sony MDR-7520 is a high quality studio headphone for critical listening pro applications, including studio and broadcast monitoring. These closed-ear headphones have a high power handling capacity of 4,000mW. The MDR-7520s also have premium gold connectors and an Oxygen Free Copper (OFC) cord to improve sound and volume quality. Hear all of your audio's nuances with the headphones wide frequency response. Whether youre mastering or monitoring your mix-downs, these headphones are ready to go with the soft carry case and they are ready for any situation with the included stereo Unimatch plug.50mm Driver Unit with LCP DiaphragmClosed-Ear DesignWide Frequency ResponseHigh Power Handling Capacity 4,000mWStereo Unimatch PlugGold Connectors and OFC CordGet yours today; with the convenience of the Sam Ash Direct 45/60day return/price protection policy, we assure the best price and a fast, free delivery.