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Unison Research

Founded in 1988, Unison Research audio products are manufactured in Treviso, Italy. Since 1998 it has been under a parent company called ARIA (Advanced Research in Audio).

Unison Research


Unison Research Gallery

Integrated Amplifiers

Pre Amplifiers

Power Amplifiers

Headphone Amplifiers

Phono Stages

CD Players





Unison Research, A.R.I.A. Advanced Research in Audio via Barone, 4 31030 Dosson di Casier (Treviso) ITALY

+39 0422 633547

This website is not affiliated with or sponsored by Unison Research. For a list of authorised retailers please contact the company via their website. Unison Research is a trademark of that company.