e3 Diagnostics

Ready to purchase a screening audiometer, diagnostic audiometer or portable audiometer? e3 Diagnostics stands ready to meet your needs with responsive, unparalleled service. Our goal is to make it easier for you to do what you do best: care for patients using high-quality audiology equipment backed by superior service. 

We offer audiometers of all sizes and functionalities – from desktop audiometers that perform air, bone, and speech measurements to portable audiometers for on-the-go audiologists. Take a look at our wide variety of audiometers for sale and find the right one for you today!


Grason-Stadler GSI 39™

Available in five different versions, the GSI 39 is a flexible screening device for tympanometry, acoustic reflex measurements, and audiometry. Offering unprecedented scalability, it allows you to easily add new features as you grow.

Also, the addition of 1 kHz allows tympanometry and tympanometry/reflex testing on babies under 6 months of age.


Want to learn more about the GSI 39? Visit the Grason-Stadler website for a full breakdown of the features and benefits, along with a variety of educational materials.

GSI 39 page

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We understand that you have a choice when it comes to choosing your equipment and are dedicated to providing you with the highest quality instrumentation available.Contact us now for your free, no obligation quote and discover why we are the preferred Authorized Distributor and Service Provider to the world’s leading manufacturers.  (Completing our online form does not sign you up for electronic advertising.)


Combo Probe (226 Hz and 1 kHz probe tones)

Part Numbers: 1739-9711, 1739-9721, 1739-9731, 1739-9741, 1739-9751

Tympanometry and Reflex Modes

Frequency: 226 Hz +⁄- 2%

Intensity: 85.5 dB SPL +⁄- 2.0 dB; measured with an IEC 60318-5 2 cc coupler

Harmonic Distortion: < 3%

Frequency: 1 kHz Hz +⁄- 2%

Intensity: 75 dB SPL +⁄- 2.0 dB; measured with an IEC 60318-5 2 cc coupler

Harmonic Distortion: < 3%