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 HIT

Interacoustics Affinity 2.0 / HIT440

A modular system for audiometry, hearing aid testing and REM, the Interacoustics Affinity 2.0/HIT440 is a future-proof solution for any modern hearing aid dispensers. Telecoils, directional microphones, and all types of hearing aids can be tested quickly and easily.

Additionally, user-defined test sequences can be run with a single mouse click, making testing faster and easier.



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.)


  • Frequency Range: 100-10000Hz.
  • Frequency Resolution: 1/3, 1/6, 1/12 and 1/24 octave or 1024 point FFT.
  • Frequency Accuracy: Less than ± 1 %
  • Stimulus Signal: Warble Tone, Pure Tone, Random noise, Pseudo random noise, Band limited white noise, Chirp, ICRA, Real Speech, any other sound file (automatic calibration available).
  • Sweep Speed: 1,5 – 12 sec.
  • FFT: Resolution 1024 points. Averaging: 10 – 500.
  • Stimulation Intensity Range: 40-100 dB SPL in 1 dB step.
  • Intensity Accuracy: Less than ± 1.5 dB
  • Measurement Intensity Range: Probe microphone 40-145 dB SPL ± 2 dB.
  • Stimulus Distortion: Less than 1 % THD