Sonic accuracy for mixing plus high power handling for tracking sessions. Closed-back dynamic stereo headphones deliver exceptional clarity from 40mm drivers with neodymium magnets and CCAW voice coils. Insulated ear cups provide superior isolation while the adjustable cushioned headband keeps your head in comfort. 11' ultra-flexible litz wire cable. Gold-plated stereo 1/8" connector with strain-relief spring and professional screw-on 1/4" adapter. 20-20,000Hz frequency response.