Professional quality studio monitor headphones built specifically for all stages of the music production process. The cutting edge design provides excellent sound insulation and ensures a comfortable fit even during long recording and mixing sessions. Dynamic 40mm speaker drivers deliver pristine sound across the frequencies and excellent bass response for precise monitoring. Swivel and rotate ear cups offer the perfect angle for any application and the interchangeable twist and lock connection cable provides additional convenience.Speaker : driver[tab]40mmØ[br]Frequency response[tab]20Hz - 20KHz[br]Sensitivity[tab]103 ± 3db[br]Impedance[tab]32 Ohms[br]Connections[tab]3.5mm stereo mini jack, 6.3mm stereo jack adaptor[br]Weight[tab]242g (without cable)[br]Lead length[tab]Coiled-5m, Extended-3m