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

  • IHS Convention and Expo


    September 13-15th, 2018
    Glendale, AZ
    Booth #213

    Keep your fingers on the pulse of the hearing healthcare industry and discover the latest products and services to help you grow your practice from industry-leading companies that you know and respect. Stroll through the exhibit hall and connect with key industry staff to learn more about their products/services and the latest industry news and trends.

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  • AAO-HNSF 2018


    October 7-10th, 2018
    Atlanta, GA
    Booth #1626

    In its 122nd year, the AAO-HNSF Annual Meeting & OTO Experience is the premier education and networking event for the otolaryngology-head and neck surgery community. Held each fall, the AAO-HNSF Annual Meeting & OTO Experience provides an opportunity for thousands of Academy members, non-member physicians, allied health professionals, administrators, and exhibiting companies to converge for an exhilarating four days.

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  • audacity-2018


    October 22-24th, 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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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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