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Hearing Aid Squealing & Whistling: Causes & Solutions Explained In New Report
Nano Hearing Aids (888-310-NANO), a leader in FDA-registered over-the-counter (OTC) hearing devices, has released a new report listing the top six reasons why hearing aids can produce a squealing or whistling sound.

Coppell, United States, April 13, 2025 -- Nano explains that the squealing or whistling sound hearing aids can make is called "feedback" and can happen when sound escapes the ear canal, bounces back into the microphone, and gets re-amplified. Feedback can signal a poor fit, dirt buildup, tubing damage, or the need for maintenance. All Nano devices come with feedback management technology and are supported by 24/7 lifetime customer support should users require additional help or have questions about their devices. Nano Hearing Aids says feedback is a common occurrence, and their report provides practical guidance for identifying and addressing the issue.
Access the full report at https://nanohearingaids.com/blogs/news/hearing-aid-squealing
Titled “Top 6 Reasons Why Your Hearing Aid Is Squealing,” Nano’s report notes that even with feedback cancellation technology, squealing can still occur. One of the most common causes is a poor fit. Over time, changes in ear shape can lead to loosened earmolds, allowing sound to escape and re-enter the microphone. Nano helps address this issue by including three dome sizes in each kit to provide a personalized and secure fit for each customer.
Other common triggers include high volume settings and dislodged or blocked microphones. Dust, wax, or loose components can disrupt sound transmission, creating a loop of repeated amplification. These issues can usually be resolved using a cleaning brush, special hook, or other maintenance tools which Nano offers for direct purchase on its 'accessories' webpage.
“Whistling or squealing noises are usually a sign your hearing aids need to be cleaned or repaired, but there are other issues people might not be aware of,” says a spokesperson for Nano Hearing Aids. “We break these down in our new report, along with tips for fixing and preventing feedback.”
In addition to poor fit, volume, or wax buildup, Nano notes that feedback can also result from damaged tubing or improper settings. Everyday actions like hugging or putting on a hat or scarf can trigger brief feedback, and, unlike hardware or settings issues, these instances generally resolve on their own.
Devices like Nano’s First Ear Plus ITE hearing aids are designed for comfort and clarity. Featuring advanced sound processing, easy volume control, and a discreet design, these hearing aids are made for long-term, user-friendly wear.
Those who wear OTC hearing aids are advised to consult Nano's latest report to learn how to troubleshoot feedback when it occurs.
Learn more by visiting https://nanohearingaids.com
Contact Info:
Name: Media Inquiries
Email: Send Email
Organization: Hearing At Home LLC
Address: 511 South Royal Lane, Coppell, TX 75019, United States
Website: https://nanohearingaids.com/
Source: PressCable
Release ID: 89157510
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