AC40 clinical audiometer
A photo of the AC40 clinical hybrid audiometer from Interacoustics


Clinical audiometry made flexible

AC40 is a two-channel clinical audiometer that includes all the advanced features and functions needed by a modern clinic.
  • Full clinical test battery with dedicated screen layouts.
  • Pre-programmed, user-defined, or automated test sequences.
  • Patient counseling tools.
Explore AC40 licenses

Work as you prefer

As a standalone audiometer, AC40 provides all the air conduction, bone conduction and masking features required for advanced clinical use.
Pure tone audiometry software screen
AC40 clinical audiometer viewed from an angle

A wide range of applications

AC40 has a comprehensive test battery for a wide range of clinical and research applications.
  • Multi-frequency audiometry for tinnitus assessments and ototoxicity monitoring.
  • Automatic testing with the Hughson-Westlake and Békésy tests.
  • Masking Help and Auto Masking (Diagnostic Suite).
  • Masking Level Difference (MLD) - offers a mixture of phase-controlled tone and noise stimuli for testing retrocochlear function and CAPD.
  • TEN test for diagnosing cochlear dead regions.
  • Hearing Loss Simulator and Master Hearing Aid for hearing aid verification.
  • SISI for differentiating between cochlear and retrocochlear disorders.
  • ABLB has its own dedicated screen where any recruitment can be shown in a clear, graphical manner.
  • Weber for distinguishing between a conductive and sensorineural hearing loss.
  • High-frequency audiometry up to 20 kHz.
  • Free-field audiometry with built-in preamplifier.
  • Stenger test.
  • QuickSIN™ for automated speech in noise testing.
Speech audiometry software screen

Speech audiometry features

  • Live voice, CD/MP3, or built-in speech materials.
  • SRT, Word Recognition, MCL, UCL.
  • Recorded Word Recognition scoring.
  • Binaural speech for CAPD applications.
  • Speech-in-noise assessment.
Tone audiometry software screen

Pure tone audiometry features

  • Automatic pure-tone average (PTA) calculation.
  • User-defined symbol scheme.
  • Speech banana.
  • Display masking information.
  • Built-in speech materials.
  • Media player for recorded speech materials.
AC40 clinical audiometer and laptop

A counseling solution

AC40 gives you customizable counseling overlays to help engage and connect with your client. They include phoneme examples, sound examples, the speech banana, and severity indications.

Design and efficiency

The ergonomic AC40 has a high-resolution 8.4" color display and a built-in keyboard. The internal flash memory can store up to 1000 patients or 50.000 sessions. You can also connect your TV or monitor of choice using the HDMI output.

Pediatric assessment

As an alternative to warble tone and narrow-band stimuli, AC40 includes pediatric noise stimuli and the ability to add visual reinforcement audiometry (VRA). This is tailored to pediatric testing, as it helps to keep the attention of children.

Interacoustics Universe™

A single point of entry for our suites. Integrates Interacoustics’ suites through Noah for efficient workflows.
David A. Geddes, AuD

„The hybrid interface is the way of the future.“

Aud Audiology Supervisor, Health Partners, MN, USA David A. Geddes
Robert H. Margolis, Professor Emeritus

„The B-81 bone vibrator provides higher output and lower harmonic distortion compared to the B71. This may offer a significant clinical advantage. Conductive components of severe hearing losses that cannot be measured with the B71 vibrator may be measurable with the B-81. This is important for medical diagnosis and treatment, programming hearing aids, and determining cochlear implant candidacy.“

Professor Emeritus, University of Minnesota Robert H. Margolis

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What is true hybrid?

With a true hybrid from Interacoustics, you can change smoothly between computer and instrument without additional training to experience complete freedom with your preferred workflow.
Learn more True hybrids

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