Kenwood Original HS-5 Deluxe Headphones are engineered and tuned for radio communications purposes to provide distinctive voice sound Kenwood HS-5 deluxe communications headphones are engineered and tuned for radio communications purposes to provide distinctive voice sound (150-4000 Hz -6 dB). They are supplied with removable foam-type ear pads. They are also supplied with a second set of leatherette pads with a cavity in the center. It is easy to change the pads. Black metal and plastic. 8 Ohms. With  inch, mono plug and 6.6 foot (2m) non-coiled cord. Weight is 0.77 Lb. (350 g).