Grason-Stadler Pello™

A one-and-a-half channel audiometer that offers air, bone, and speech audiometry, The GSI Pello grows with your practice.
Its familiar design and large color display enables seamless performance of all tests within the standard audiological test battery and, depending on the configuration, additional examinations like Quick SIN and High-Frequency audiometry, and TEN tests.

Get a quote  Brochure

Want to learn more about the Pello?

Visit the Grason-Stadler website for a full breakdown of the features and benefits, along with a variety of educational materials.

Pello page


Grason-stadler Pello Video

The Adaptable Audiometer

Request a Quote

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.)


Air Conduction: 125 Hz to 12,000*** Hz

High Frequency*: 8,000 Hz to 20,000 Hz (8 kHz, 9 kHz, 10 kHz, 11.2 kHz, 12.5 kHz, 14 kHz, 16 kHz, 18 kHz*** and 20 kHz***)

Full Frequency Range*: 125 Hz to 20,000 Hz

Bone Conduction: 250 Hz to 8,000 Hz

Sound Field*: 125 Hz to 8,000 Hz

Paired Inserts*: 125 Hz to 8,000 Hz

Frequency Accuracy: ± 1 %

Total Harmonic Distortion: < 2% (earphones and paired insert phones*) < 5% (bone vibrator)