Sonido company was founded in the year 1993. Mr. Istvan Varga is a founder and current manager of the company. Main activities are manufacturing of the speaker drivers, acoustic radiators and acoustic speaker systems also.
Audiotechnology is a family owned company founded by Ejvind Skaaning and Per Skaaning. Its production facilities are situated in Stilling, Denmark. Ejvind Skaaning was the guiding force behind several loudspeaker companies in Denmark; among the most prominent are Scan-Speak and Dynaudio corporations, both founded by Mr. Skaaning.