Dynamic, closed-back over-ear headphones designed for professional monitoring in broadcast and recording studios. The MDR-7506 employ a 40 mm dome driver with a CCAW voice coil, neodymium magnets and a PET diaphragm to deliver accurate transient response. Frequency response is 10 Hz to 20 kHz; impedance 63 Ω and sensitivity 106 dB/mW; power handling 1,000 mW. Built for durability and comfort, they include a protective carry pouch and a gold-plated Unimatch adaptor for 3.5 mm and 6.3 mm connections.