Description Specification Package Content In Detail- New detachable connectors for cable replacement.  Optional balanced cable, model ET-H3.0N7BL is also available for balanced connection - Unique designed Neodymium magnetic circuit adopting the magnetic repulsion system with 1.5 tesla (15,000 gauss) magnetic flux density to achieve wider dynamic range - The detachable unbalanced cable is made of 7N grade (99.99999%) OFC and highly durable duralumin plug case - Proprietary "Biodyna" diaphragm for fine and high resolution sound reproduction - The housings are finished by Japanese traditional "Urushi" lacquer by a 110 years old artisan group in "Bordeaux" finish on Japanese Cherry Birch. - The ear pads are made of protein leather made from eggshell membrane for maximum comfort. *"Biodyna diaphragm is made by Bio-cellulose fiber featuring low specific gravity, high Yang's modulus and high internal loss at the same time to achieve 2 times high propagation velocity and 5 times high rigidity against the conventional plastic film based driver unit. Specifications TH900mk2Driver:    Dynamic, 50mmOperation type:    ClosedImpedance: 25 ohmSensitivity: 100dB (at 1kHz, 1mW)Frequency Response: 5Hz – 45kHzMaximum Input Power: 1,800 mWWeight: 390g (excluding the cable)Cable: Detachable 3m 1/4” unbalanced stereo phone (model ET-H3.0N7UB)Accessories: Headphone stand, Carrying bag Fostex TH900 MK2 x 1Detachable 3m 1/4” unbalanced stereo phone x 1Headphone Stand (model ST300) x 1Carrying Bag x 1