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 types of cable straight cable symmetrical double sided jack 35 mm jack shape l shaped colour white cable colour black material plastic included in delivery ear adaptor set earpads manufacturers guar