For over 60 years Grason-Stadler (GSI) has been "Setting The Clinical Standard" in Audiometery, Tympanometry and hearing healthcare diagnostics. Far more than a tagline, it is embedded in our corporate DNA and is the driving force behind everything we do.

Clinical Two-Channel Audiometer

GSI 61

The GSI 61 is the two-channel clinical audiometer from the most respected name in the audiological industry...