Our approach

For over 65 years, Grason-Stadler (GSI) has been "Setting The Clinical Standard" in Audiometry, Tympanometry and hearing healthcare diagnostics.

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A tradition of excellence

In 1949, Rufus Grason and Steven Stadler co-founded Grason-Stadler (GSI). The company originally manufactured electronic medical instruments for behavioral and pharmaceutical research but in 1952 introduced its first clinical audiometer.

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Latest News

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    Seamless OAE Data Transfer

    Grason-Stadler is pleased to announce that the GSI Corti™ OAE diagnostic and screening instrument is now compatible with GSI Suite, GSI’s audiometric data management software. This integration provides flexibility in comprehensive reporting by offering the option to combine audiometry, middle ear evaluations and OAE patient data into a single report. 


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    Meet the new Pello

    Grason-Stadler, a leader in clinical audiometric systems, is pleased to announce the introduction of the GSI Pello™, a new mid-level audiometer. The GSI Pello is a perfect solution when precise and efficient diagnostic audiometry is required.


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    Instrument with Tymp Touch Technology

    Grason-Stadler (GSI), is proud to announce its NEW clinical middle-ear analyzer, the GSI TympStar Pro™. The introduction of TympStar Pro reinforces the legacy of excellence in middle-ear evaluation by maintaining the precise diagnostics, reliable mechanics and logical design that is synonymous with Grason-Stadler. 


Upcoming Events

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    May 21-25th, 2017
    Booth #623
    IERASG is dedicated to the fields of electrophysiology of hearing, audiology and related fields. The meeting is an opportunity for presentation of new scientific ideas and recent technology developments, as well as working out some standards for objective measurements in audiology.

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  • Salue University

    Summer Hands-On Workshops 2017

    July 22-25th, 2017 
    Salus University

    Salus University offers 4-day workshops every summer at the Elkins Park Campus. The goal is to provide an update on advanced and current science in the topic, review clinical implications, and provide hands-on training. As a part of this workshop, James Hall III, PhD & Lisa Hunter, PhD will be presenting "Diagnosis and Management of External and Middle Ear Function. Follow the link for more information and to register!

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  • ASHA


    November 9-11th, 2017
    Booth TBD
    The 2017 ASHA Convention, this year in Los Angeles, California, is the premier annual professional education event for speech-language pathologists, audiologists, and speec, language, and hearing scientists. Bringing together approximately 15,000 attendees, ASHA provides opportunities to hear the latest research and gain new skills and resources to advance your career

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Contact Us

Grason-Stadler Inc.

Corporate Headquarters
10395 West 70th St.
Eden Prairie, MN 55344

General Inquires:
+1 800-700-2282
+1 952-278-4401

Technical Support:
+1 877-722-4490
+1 952-278-4456

Live Remote Assist

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