Earphones series sennheiser mx line type of fitting in ear transmission mode wired features gold plated jacks sound mode stereo sensitivity 110 dbmw impedance 32 ohm frequency response 20 20000 hz number of drivers 1 length of cable 12 m type of cable symmetrical jack 35 mm jack shape l shaped colour blue earcup colour blue ear pad colour black earpiece colour blue cable colour black material plastic included in delivery ear adap