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The Audio Traveller
The AA222 is the most comprehensive combination of middle ear analyzer and diagnostic audiometer available.
AA222 combines all of the diagnostic middle ear analyzer tests found on the AT235 and most of the features available on our popular AD629 diagnostic audiometer. This makes the AA222 ideal for the new clinic, for travelling to alternate locations, and for clinical situations where space is at a premium.

User friendly design
Ergonomically designed and user friendly the AA222(h), can be used as a desktop and a portable instrument. With the built-in power amplifier and test cavities it is easy and fast to set up and get started testing. The AA222 has several other features that makes it easy to use. With the push of one button you can extend the pressure range from +300 daPa to –600 daPa. With the push button on the probe, you can switch between left or right ears for labeling the tests, and initiate the test. Another button labeled »child« automatically produces a moving choo-choo train as a visual distracter for the child.

Intelligent pump system
Interacoustics utilize two beneficial techniques to acquire tympanograms. The first is an ‘endless airflow’ technique which improves the instrument’s ability to obtain a tympanogram on difficult to test patients or when a slight leak is present. This prevents the system from continually resetting to continue the test. The second feature is an intelligently controlled pump system with an adaptive speed control. This feature combines a very fast test speed with high resolution of the tympanogram peak which might otherwise be obtained only with a slower pump speed.

Combi probe system
The AA222(h) is supplied with a combination probe system that is easily interchanged for screening and clinical testing purposes. The screening probe tip is ideal for quick tymps and a screening reflex, while the diagnostic probe provides more stability for more lengthy exams that include tymps, reflexes, reflex decay and ETF.

The probe has a button for changing ears remotely from the AA222(h) and for starting and pausing the test.

The Middle Ear Analyzer
Interacoustics middle ear analyzers are known for their ”endless airflow” engineering technique.
Perfect method for obtaining a tympanogram on crying children or difficult to test patients when physical sealing is difficult. An automatic adaptive pump speed produces tympanograms with high peak resolution without sacrificing test time.
With the push of one button you can extend the pressure range from +300 daPa to –600 daPa. Switch between left or right ears for labeling tests with the push button. Another button labeled "child" automatically produces a moving "choo-choo train" as a visual distracter for the child.
Additional high-frequency probe tones for Y-component testing in addition to the traditional 226Hz tone. With the push of a single button, the AA222h will switch to a 678, 800 or 1000 Hz probe tone which is considered more suitable for screening neonates.


The Audiometer
The most comprehensive combination of middle ear analyzer and clinical audiometer available.
The AA222 has testing capabilities for air and bone conduction as well as speech. Dual inputs for a tape or CD player allow the examiner to conduct binaural recorded speech tests and other competing message tests for central auditory processing or hearing aid evaluations.
Other tests include pure tone and Stenger speech, ABLB, Auto Threshold (Hughson-Westlake method) and SISI. Outputs are available to connect external speakers and with an appropriate amplifier AA222 will produce 90dB or more of speech in a typical sound room environment.
Separate software calibration for all transducers allows the exchange of insert phones or traditional TDH39 phones with the push of a button.

AA222 Technical Specifications

Basic facts

Size Length: 16.5 inches (42 cm)
Width: 12.5 inches (32 cm)
Height: 4 inches (10.2 cm)
Weight:
9 pounds (4.1 kg)
Medical CE-mark: Yes


 Download Specifications Sheet