Closed, dynamic stereo headphones Accurate, linear sound reproduction for critical monitoring applications Optimum impedance ensures universal compatability Space saving design features collapsible, rotating earcups Up to 32 dB of ambient noise attenuation Neodymium magnets for high maximum SPL Single-sided, coiled cable with 3.5 mm mini jack with locking 1/4" adapter Very comfortable, even if used for long periods of time Rugged construction with user-replaceable parts 2 year warranty