The GSI 18 is a single channel, manual audiometer. It is a direct replacement for our GSI 17. Its stylish design along with its portability, built-in battery compartment and ability to store calibration data for both TDH 39 and EAR 3A or 5A insert phones makes the GSI 18 the ideal solution for school system and industrial hearing screening programs.

The Affordable, Easy-To-Use Screening Solution

For over 65 years, Grason-Stadler has designed and manufactured state-of-the-art instruments recognized for their outstanding quality and performance. You'll see this quality the first time you try the GSI 18 Audiometer.

The Affordable Audiometric Screener

What's more, the GSI 18's ergonomic design makes performing tests easier than ever before. Front panel controls are clearly labeled and HL levels displayed in large numbers on the GSI 18's LCD screen. 

In short, the GSI 18 is everything you need to save valuable time while offering reliable audiological testing - and all at an affordable price!