Headband headphones series denon ah mm denon music maniac type of fitting on ear transmission mode wired features padded headband adjustable headband collapsible in line control microphone headset compatible with ios function remote control function sound functions passive noise reduction in line volume control volume limiting sensitivity 99 dbmw impedance 36 ohm frequency response 10 25000 hz max power handling 1 000 mw driver 30 mm number of d