After you have taken the otoTune® hearing test and programmed your hearing aids to your hearing thresholds, we want to show you what else your ototune® app can do: change modes and volume, modify equalizer: bass, mids, and treble.

Take a free online hearing test:
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To see if Sontro® OTC Hearing Aids are right for you.

Purchase Sontro Self-Fitting OTC Hearing Aids:
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