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.

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Specifications

  • 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