Product features ear direct structure with inclined unit for powerful sound twist action structure for more comfort during prolonged use high quality sound reproduction with large 40mm neodymium driver unit comfortable cushioned head band sensitivity 105 dbmw frequency response 10 22000 hz maximum input capability 1200mw iec nominal impedance 70 ohms 1148ft35m cord with gold plated plug 63mm plug adaptor provided weight 694 oz