Fostex TH-610, Headphones, 50 mm driver, Neodymium magnet driver with 1 Tesla magnetic flux density, Detachable Hi-FC cable, Type: Over-Ear, Construction: Closed, Frequency response (headphones): 5-45000 kHz, Impedance: 25 Ohm, Sound pressure level (SPL): 98 dB, Pressure averaged from large and small head: 491.5 g, Cable with 6.35 mm jack plug, Weight with cable: 504 g, Weight without cable: 382 g, Cable length: 320 cm, Includes carrying bag