They don't test the very high frequencies as they accept losses of up to 80 dB from 2 kHz to 8 kHz. I can't hear anything above 9 kHz and I imagine no one above 50 would be able to use Lenire otherwise.
From an earlier post:
Please note that Lenire® can only be recommended for you if you have hearing level (AC pure tone audiometry) thresholds of no more than 40 db HL at 250 Hz, 500 Hz and 1000 Hz, and not more than 80 db HL at 2000 Hz, 3000 Hz, 4000 Hz, 6000 Hz and 8000 Hz in either ear at one frequency or more. You may want to consult your audiologist before accepting an appointment if you are unsure of your hearing level thresholds. If you have a copy of your Pure Tone Audiogram, please bring it with you if you accept an appointment with Neuromod Medical.
The following illustration may be informative; if a patient’s audiogram dips below the red/blue lines at any point for either ear, then Lenire® cannot be configured for their hearing profile.
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