Professional open-back reference headphones provide the perfect balance of accuracy, transparency and comfort for discerning engineers, producers and musicians Fully open-back design allows unrestricted airflow to eliminate internal resonance and provide extremely quick transient response Japanese craftsmanship: Each pair of headphones is meticulously assembled from components built in-house, then rigorously tested before leaving our Tokyo factory Featherlight (199 g) design with streamlined, metal-reinforced construction, reimagined headband, and replaceable velour earpads deliver unmatched comfort for long working sessions Unique, dual-sided 3.0 m (9.8') detachable locking cable is L/R signal independent to ensure proper stereo orientation