The Fostex TH610 is the successor of the TH600 consisting of the premium TH series line together with the conventional TH900 and the new TH900mk2. The TH610 newly the detachable cable connection and beautiful matte finished black walnut housings in addition to the reputed bio-dynamic 50 mm diaphragm and the powerful 1 tesla (1,000 gauss) magnetic circuit.