Ways to avoid Whistling /noise howling after power-on. At present, small hearing aids and high-power hearing. amplifier and the microphone are close to each other. The sound is. The cause of howling/noise: To make a small size hearing aid, the internal.
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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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● 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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1 x Behind-the-Ear hearing aid (single). They are also easy to clean, making them more convenient and hygienic. This will help your product to be received safely and quickly! Style: Behind-the-Ear (BTE).
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Features: -Built-in rechargeable battery frees you from the constraints of traditional cables and meets the needs of mobile scenarios. -Equipped with professional noise reduction technology, it can effectively filter out noise or interference signals in the environment, amplify the sound more clearly, and enhance the user experience. -It adopts a simple invisible design, is compact and easy to carry without taking up too much space. -Suitable for daily use, outdoor activities, specific work scenarios, etc. Specifications: Charging case battery: 400mAh Earphone battery: 35mAh Color: skin-colored Material: plastic .
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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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Input Noise:≤32dB. Max sound output:118±4dB. Sound gain: ≥32dB±2dB. Current:≤2mA.
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