Stax Ltd. (有限会社スタックス Yugen-gaisha SutakkusuSTAX Ltd home page) is a Japanese company that makes high-end-audio equipment. Stax is best known for their electrostatic and electret headphones, which they call “earspeakers.”STAX USA: History Electrostatic headphones work similarly to electrostatic loudspeakers, but on a smaller scale. In December 2011, Chinese audio equipment company Edifier announced that it had acquired 100% equity in Stax.
