Headband headphones comfort zone setting oxygen free copper coils for more bass original 1984 design type of fitting on ear transmission mode wired features collapsible adjustable headband sensitivity 101 dbmw impedance 60 ohm frequency response 15 25000 hz max power handling 15 mw length of cable 12 m types of cable symmetrical straight cable ofc double sided jack 35 mm jack shape l shaped colour white material metal headband earcup mat