The Fostex TH900mk2 is the second generation of the TH900, 
one of the most renowned premium dynamic headphones in the market, which newly features detachable connectors for replacement of the standard unbalanced cable (equivalent to model ET-H3.0N7UB). The optional balanced cable, model ET-H3.0N7BL is also sold separately to meet growing demands for balanced connection with various headphone amps offering balanced 4-pin XLR out.
 
Features
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