| Headphone | SONY MDR-7509 HD professional headphone, designed for critical listening applications. For those who listen for a living The MDR-7509/1 represents the latest in headphone design & materials technology. With an incredible 3,000 mW power handling capacity, the MDR is the perfect studio monitoring headphone, capable of delivering a high SPL & dynamic range. The 50mm amorphus diamond driver creates transparent, powerful sound, with the security of perfect isolation. The M ... | IN STOCK Free shipping |