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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    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.


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    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.


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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.


Upcoming Events

  • AHAA


    February 14-17th, 2018
    Las Vegas, NV
    Booth #126

    The premier business-focused event for the industry. Hear from experts, learn from business visionaries, and exchange solutions with your peers. No other industry conference offers attendees a better outlook to move their practices ahead of the competition.

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    March 18-20th, 2018
    Denver, CO
    Booth #22

    The goal of the annual EHDI Meeting is to enhance the implementation of comprehensive state-based Early Hearing Detection and Intervention (EHDI) programs. In its 17th year, the EHDI meeting has built a strong reputation for bringing together a wide variety of attendees that work and interact with EHDI programs.

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    March 26-28th, 2018
    Atlanta, GA
    Booth TBD

    This meeting provides an opportunity for networking and collaboration between the Audiologists treating our active duty service men and women and those working with our nation's veterans. The conference aims to offer sessions that are geared towards these particular cohorts and to address hearing healthcare issues that are central to what VA and DOD Audiologists deal with on a day to day basis; such as tinnitus treatment, TBI/polytrauma, hearing conservation, and compensation/pension evaluation.

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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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