Headband headphones series sennheiser hd line sennheiser club orpheus type of fitting over ear transmission mode wired features padded headband adjustable headband sensitivity 105 dbmw impedance 150 ohm frequency response 15 40000 hz driver 40 mm length of cable 3 m types of cable straight cable ofc removable cable double sided jack 63 mm colour grey earcup material velours weight 270 g