Ways to avoid Whistling /noise howling after power-on. At present, small hearing aids and high-power hearing. aids on the market can hardly prevent howling, and only full-digital hearing. aids can prevent howling.
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The reduced amount of noise and squeaks affects the comfort of using the hearing aid. The sound amplified by JINGHAO hearing aids is clear, soft and more spacious. Noise reduction technology and very clear speech and music sound.
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Lightweight design In ear sound amplifier is small, hide it to the maximum extent possible in the ear canal. Ideal for most mild to moderate sound amplification. They capture missed sounds with maximum clarity, providing you with a clear and natural sound.
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The cause of howling/noise: The internal amplifier and the microphone are close to each other of the hearing aid, and the sound is continuously received and expanded, so it has a certain possibility of produce howling after power-on.
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1 Pair Mini Invisible Hearing Aids In-Ear Digital Enhancer Voice Sound Amplifier 300mAh with Charging Case. 【SMALLER AND CONVENIENT DEVICE】Upgraded design, 20% smaller than other similar products, and it has a miniature appearance comparable to headphones, so you won't attract any unpleasant glances when using it.
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● Digital sound amplifier: Advanced digital signal processing technology provides a high quality of natural sound, detects and identifies sound waves and changes the amplification of the channel in which the noise is located to make normal speed clearer.
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Choose slightly larger earplugs to avoid whistling. Insert the hearing aid into the ear canal and adjust its position in the ear canal until the soft ear tip fully unfolds and fills the ear canal;. If you hear a whistle, check whether the ear (silicone) is suitable, whether the size of the plug is tight.
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The cause of howling/noise: To make a small size hearing aid, the internal amplifier and the microphone are close to each other. The sound is continuously received and extended, so it has a certain possibility of producing howling after power-on.
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