e3 Diagnostics

As the market leader in hearing aid testing equipment, e3 Diagnostics provides a robust selection of hearing aid test systems. Whether you need a device to perform real ear measurements (REM), hearing instrument tests (HIT), speech mapping, or all the above, we have a solution for your unique needs. Take REM measurements to confirm what your patients are hearing, assess telecoils, test directional microphones, and much more. Further, improve the overall patient management experience with our reliable hearing aid test kit options.

From manufacturers such as Interacoustics, Audioscan, and MedRx, our hearing aid testing equipment is versatile and easy to learn. You'll always feel secure that your readings are accurate and precise. Trust us to offer not only the best hearing loop testing kit technology, but also superior customer service before and after the sale. Request a quote today, and ensure you have the hearing aid test kits you need to operate your clinic or dispensary year-round.

Affinity VSP

Interacoustics Affinity 2.0 / REM440

With a wide range of features for verifying hearing aids, the Interacoustics Affinity 2.0/REM440 is an ideal choice for any hearing aid dispensary.

The REM440 module can be complimented by the VSP440 module to help present REM measurements in ways that reinforce what the client is experiencing, and form the basis for a discussion of issues like binaural aids and non-linear compression.



Request a Quote

We understand that you have a choice when it comes to choosing your equipment and are dedicated to providing you with the highest quality instrumentation available.Contact us now for your free, no obligation quote and discover why we are the preferred Authorized Distributor and Service Provider to the world’s leading manufacturers.  (Completing our online form does not sign you up for electronic advertising.)


  • Stimuli: Warble Tone, Pure Tone, Random noise, Pseudo random noise, Band limited white noise, Chirp, ICRA, Real Speech, any other sound file (automatic calibration available).
  • Frequency range: 100Hz – 10kHz
  • Frequency accuracy: Less than ± 1 %
  • Distortion: Less than 2%
  • Intensity range: 40 – 90 dB
  • Intensity accuracy: Less than ± 1.5 %
  • Measurement Intensity Range: Probe microphone 40-145 dB SPL ± 2 dB.
  • Frequency Resolution: 1/3, 1/6, 1/12, 1/24 octave or 1024 point FFT.
  • Probe microphone: Intensity: 40 – 140 dB
  • Reference microphone: Intensity: 40 – 100 dB
  • Intensity Accuracy: Less than ± 1.5 dB
  • Cross talk in the probe and probe tube will alter the obtained results with less than 1 dB at all frequencies.