The TH-900 is the first high-end headphones form Fostex featuring the newly designed driver unit with1.5 tesla (15,000 gauss) magnetic circuit and bio-dynamic 50mm diaphragm, traditional Japanese lacquered "Urushi" finished craftsmanship housing and selected 7N OFC cable. All coming together to achieve the sonic goal of a wider stereo field, high resolution and transparent reproduction."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.
From the Manufacturer
The TH900 Premium Stereo Headphones from Fostex feature a newly designed driver unit with a 15,000 gauss magnetic circuit and bio-dynamic 2-inch diaphragm. These high-end headphones feature a traditional Japanese lacquered "Urushi" finish. The cords are made from 7N grade OFC and the 1/4-inch stereo plug features a gold coating. The included headphone stand (ST300) keeps your headphones safe and secure when not in use and within easy reach when you need them. Founded in 1973, Fostex is an acclaimed manufacturer of location sound, multi-track recording, and speaker products.