Headband headphones series yamaha hph type of fitting on ear transmission mode wired features padded headband adjustable headband sound mode stereo sensitivity 101 dbmw impedance 48 ohm frequency response 20 20000 hz max power handling 1 000 mw driver 40 mm number of drivers 1 length of cable 2 m types of cable single sided straight cable jacks 35 mm 63 mm jack shape straight colour black headband colour black earcup colour black