HP-280 - Super comfortable closed dynamic studio phones. 140 ohms, with a frequency response of 20 Hz - 20kHz. 3.0m (9.84 ft) cable. Gold plated stereo mini jack with ¼" adapter.- Length of cable: 3.0m (9.84ft)- Headphone pressure: ~4N- Weight without cable: 260g (0.57lbs)