EARS Audiometer Testing Unit

GM Instruments
Product no. HCA236
Manufacturer code. EARS

The GM Instruments EARS Electroacoustic Auto Response System is a portable audiometer tester designed to verify performance before patient use. Operating across 500Hz–8000Hz, it delivers accurate and repeatable responses to ensure reliable hearing assessments. With automatic and manual testing modes, USB power, and compatibility with most audiometers, it provides a quick and efficient quality assurance solution. Ideal for audiology clinics, hospitals, and occupational health settings, it supports accurate and compliant audiometric testing.

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£625.00

£750.00
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£625.00
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Additional information

Electroacoustic Auto Response System (EARS) Audiometer Tester

The GM Electroacoustic Auto Response System (EARS) is a compact, high-precision audiometer testing device designed to quickly and reliably verify the performance of audiometers prior to patient use. Ideal for occupational health, audiology clinics, and hospital environments, this system ensures accurate hearing assessments by confirming equipment functionality before testing begins.

Providing a fast and convenient pre-test check, the EARS device simulates patient responses to auditory tones, allowing clinicians to confirm that both the audiometer output and response button are functioning correctly. This supports best practice in audiometry and helps identify faults in earphones, cables, or connections before testing patients.

Operating across a clinically relevant frequency range of 500Hz to 8000Hz, the system delivers accurate and consistent threshold responses, enabling reliable verification of audiometer performance. This ensures that hearing test results remain reproducible, accurate, and clinically valid.

The EARS unit is simple to use, requiring earphones to be placed onto the colour-coded mouldings and connected to the audiometer. Automatic or manual test routines can then be performed, with results compared against expected values or previous readings. A dedicated response test function also allows verification of the audiometer response button.

Product Features:
  • Quick and reliable audiometer performance verification system
  • Simulates patient response for accurate audiometer testing
  • Tests both sound output and response button functionality
  • Frequency range from 500Hz to 8000Hz
  • Provides consistent and repeatable threshold measurements
  • Automatic and manual testing modes
  • USB powered – no batteries required
  • Compact, lightweight, and portable design
  • Compatible with most audiometers
  • Supports compliance with audiometry testing guidelines

Frequently Asked Questions:

What is the EARS system used for?
The EARS system is used to verify the performance of an audiometer before conducting hearing tests. It ensures that sound output and response functions are working correctly, helping to maintain accurate and reliable test results.

Why is audiometer verification important?
Regular verification helps identify faults that could affect test accuracy. Ensuring correct audiometer performance supports compliance with testing standards and improves the reliability of hearing assessments.

Product TypeAudiometer Testing System
Frequency Range500Hz – 8000Hz
OperationAutomatic and Manual
Power SupplyUSB powered
FunctionAudiometer output and response verification
CompatibilityWorks with most audiometers
Dimensions120 x 120 x 94 mm
WeightApprox. 450 g
UsageAudiology, occupational health, clinical testing

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