Contact Us!

Looking for help? Don't hesitate to contact us.

Our hours are Monday through Friday, 9-5 Pacific time.

Toll free (U.S.) 1-800-554-0150
International 1-714-666-9260


General inquiries
Technical support

Feedback Form

Use our special product placement and technical support Feedback Form to send a message to Dr. Hsu right now.


Sales 1-714-666-9261

We warmly welcome walk in auditions and purchases, but you must make an appointment at least one day before coming over. We may be able to set aside some time to spend with you.

Hsu Research
985 N. Shepard Street
Anaheim, CA 92806