hearing aid dryer rechargeable

New Drying Technology for Rechargeable Hearing Instruments

By Dr. Daniel R. Schumaier   The Problem   Even with today’s sophisticated hearing instruments, moisture and cerumen accumulation in microphones and receivers causes problems. Moisture can cause distortion, reduce gain, and cause intermittency and ultimately, instrument failures. Hearing instruments are designed to provide high-frequency, distortion-free amplification. Many amplifiers have directionality features, which incorporate microphones…

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