Headband headphones series sennheiser hd line type of fitting over ear transmission mode wired features gold plated jacks sound mode stereo sensitivity 108 dbmw impedance 50 ohm frequency response 14 26000 hz distortion factor 0 2 length of cable 3 m types of cable single sided ofc straight cable removable cable jack 63 mm jack shape straight colour black material plastic earcup material velours weight 260 g included in delivery