Pioneer HDJ-C70 PRO DJ HEADPHONESGENERAL SPECIFICATIONSForm: Fully enclosed dynamic stereo headphonesFrequency Range: 7 ~ 32000 HzImpedance: 40 ΩOutput Sound Pressure Level: 100 dBMaximum Output Sound Pressure Level: 120 dBMaximum Input: 2000 mWUnit Aperture: φ 40 mm dynamic typeConnection Cord: 1.6 m stereo cable, 1.0 m curled cable (3.0 m when extended)Plug: φ 3.5 mm stereo mini plugWeight: 6.9 oz (not including cord)Accessories: φ 6.3 mm stereo adapter plug (screw-type), carry case, screwdriver for cord replacement