GSI World-wide Audiometric Solutions

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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GSI A Tradition of Excellence

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

  • AMTAS Flex Press Release

    Introducing AMTAS Flex™

    Grason-Stadler has announced the release of AMTAS Flex™, a tablet-based hearing evaluation tool designed with the busy clinical in mind. AMTAS Flex offers screening and threshold air conduction audiometry. Screening and diagnostic testing are both available with the software. The threshold test provides up to six quality indicators and two reporting formats: interpret and counseling.


  • Novus Press Release

    New AABR/OAE Touch Screener

    The new GSI Novus™ is a hand-held, comprehensive newborn hearing screening instrument. The Novus features a touch screen display and intuitive software in a compact hardware design. The device may be configured with any combination of AABR, TEOAE, and DPOAE which allows for seamless two stage infant screening.


  • Corti Press Release

    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.


Upcoming Events

  • audacity-2018


    October 22-24, 2018
    Orlando, FL
    Booth #320

    Audiologists are choosing bold new directions, paving the way to the future of the profession. Join the Academy of Doctors of Audiology at AuDacity to chart your course to success. Informative concurrent session options abound - explore didactic and experiential session on relevant professional and clinical topics including reimbursement, marketing, tinnitus, hearables, and much more.


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  • wca2018

    World Congress of Audiology

    October 28-30, 2018
    Cape Town, South Africa
    Booth #37

    The World Congress of Audiology, held biannually since 1952, will be hosted in Cape Town, South Africa in October 2018. Held on every continent in the world, except for Africa, the 2018 meeting promises to be a truly historic occasion, not only because of the iconic destination, but as a platform showcasing clinical audiology science from around the world.


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  • ASHA


    November 15-17, 2018
    Boston, MA
    Booth #1340

    The ASHA Convention is the premier annual professional education event for speech-language pathologists, audiologists, and speech, language, and hearing scientists. Bringing together approximately 15,000 attendees, the Annual Convention provides unparalleled 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

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