To blog overview
hearing-aid-whistling

HEARING AID WHISTLING: WHY IT HAPPENS — AND HOW FEEDBACK CANCELLATION CAN HELP 

“Why does my hearing aid whistle?” 

If you’ve ever typed that into a search bar, you’re not alone. That high-pitched, sometimes piercing sound — often described as a whistle, squeal, or chirp — is one of the most common frustrations for hearing aid users. 

This sound is known as hearing aid feedback. And while it’s common, it doesn’t have to be something you just accept. Thanks to improvements in hearing technology, modern devices are now equipped to detect and stop feedback before it becomes noticeable. 

In this guide, we’ll walk you through why hearing aid whistling happens, how it can impact your daily life, and — most importantly — how you can manage or even eliminate it. Whether you’re new to hearing aids or have been wearing them for years, this information will help you stay confident and hear the world naturally. 

 

READY TO STOP THE WHISTLING? 

Discover how today’s hearing aids can make feedback a thing of the past. 

Find a Widex Partner Clinic

What is Hearing Aid Feedback? 


Hearing aid feedback occurs when sound that’s already been amplified escapes the ear and circles back into the hearing aid’s microphone. This creates a loop — and that loop turns into the high-pitched whistle you hear. 

You’ve probably experienced a similar sound at a live event when someone brings a microphone too close to a speaker. It’s uncomfortable and distracting, and when it happens with your hearing aid, it can be especially frustrating. 

How Hearing Aid Feedback disrupts daily life 

Feedback is more than just annoying — it can affect how you feel about wearing your hearing aids. In fact, it’s one of the reasons some people stop using them altogether. 

The World Health Organization notes that untreated hearing loss can lead to social withdrawal, anxiety, and reduced quality of life. When hearing aid feedback becomes frequent, it can add to that burden by making everyday interactions uncomfortable or embarrassing. 

Here are a few examples of how it can affect your day-to-day life: 

In the workplace 

Imagine sitting in a quiet boardroom. Your colleague leans in to ask a question, and suddenly your hearing aid emits a sharp squeal. The moment becomes awkward, not just for you, but for everyone within earshot. Feedback in meetings or conference calls can be distracting and professionally disruptive. 

Social settings 

Cafés, weddings, dinner parties — these are moments meant for connection. But if your hearing aid starts to whistle every time you move or turn your head, you may find yourself withdrawing or staying silent to avoid drawing attention. 

With loved ones 

Many users report feedback when hugging loved ones or being close to grandchildren. These are moments meant to bring joy, not reminders of technology misfiring. 

Lowering confidence over time 

When feedback happens often, some users try to solve the problem by lowering the volume on their hearing aids. While that might reduce the noise, it also means missing out on the sounds that matter — like conversations, laughter, or important cues in your environment. 

 

DO THESE ISSUES FEEL FAMILIAR? 

If you’ve been turning down the volume just to avoid feedback, it may be time to try a smarter solution. 
Talk to a Hearing Care Expert

Quick fixes for reducing Hearing Aid Feedback 


You can try these simple but effective strategies to manage hearing aid feedback on your own: 

1. Reinsert the device properly 

Improper placement is a leading cause of feedback. Remove and reinsert your hearing aid to ensure a snug fit in the ear canal. A tight seal prevents sound leakage that causes whistling. 

2. Clean your hearing aid regularly 

Blocked microphones or receivers can increase the chance of feedback. Use a soft, dry cloth and a cleaning brush to gently remove debris. Schedule regular cleanings with your hearing care provider. 
 

3. Check for earwax buildup 

Even a small amount of earwax can cause sound to reflect back into the microphone. Ask your audiologist to check for buildup during appointments. 
 

4. Turn the volume down slightly 

While hearing aids are meant to amplify, too much gain can lead to sound leakage. Reduce the volume slightly in quiet settings if needed. 
 

5. Inspect for physical damage 

Cracked tubing, loose receivers, or worn domes can cause feedback. Check your hearing aid components regularly or ask your provider to do a thorough inspection. 

6. Avoid reflective surfaces 

Tile walls and mirrors can bounce sound back toward the microphone. You may notice more whistling in bathrooms or hallways—step away from these surfaces when adjusting your hearing aid. 
 

7. Schedule a Feedback Test 

Your hearing care professional can run a feedback calibration test to adjust internal settings. Many devices store feedback profiles that can be updated for better accuracy. 

 

What is Feedback Cancellation Technology 

In modern hearing aids like Widex, advanced technology is built to stop feedback — the high-pitched whistling sound — before you ever hear it. Instead of reacting after the fact, these systems work in the background to keep your hearing experience smooth and natural. 

Here’s how it works: 

1. It cancels feedback in real time 

The hearing aid constantly monitors for signs of feedback, like when sound starts to loop back toward the microphone. If it detects this, the device instantly cancels out the signal that causes the whistling. It happens so quickly, you may never even notice it was about to occur. 
 

2. It adapts to changes in your hearing setup 

Things like replacing an ear tip, switching to a new dome, or even wax buildup can affect how sound moves through your ear. When this happens, the hearing aid automatically recalibrates its internal settings to keep feedback under control. There's no need for manual adjustments — the system does the work for you. 

3. It coordinates across both ears 

If you wear hearing aids in both ears, they communicate with each other wirelessly. This allows them to manage feedback more effectively as a team, especially in open-fit styles where sound is more likely to escape. The result is a more stable performance and a comfortable listening experience on both sides. 

With this kind of intelligent feedback control, whistling becomes less of a worry, so you can focus on the sounds that matter. 
 
 

Widex: A smarter, long-term fix for Feedback 

If feedback keeps interrupting your day — even after trying common fixes — it may be time to consider hearing aids with built-in feedback control. 

Smarter devices do more than just amplify sound. They’re designed to help you stay fully engaged, without the distractions of unexpected whistling or the need to constantly adjust settings. 

By automatically managing feedback in the background, these advanced hearing aids let you focus on conversations, not corrections. 

Modern brands like Widex prioritize natural sound and user comfort, even in challenging environments like busy cafés or tiled rooms. The result? Clearer hearing, fewer interruptions, and greater confidence — whether you're hugging a loved one or leading a meeting. 

Hearing Aid Feedback doesn’t have to hold you back 

If you’ve been wondering, “Why is my hearing aid whistling?” or struggling with feedback on a regular basis, know that you're not alone—and you’re not stuck. 

Hearing aid feedback is a common, solvable challenge. With a combination of good care practices, regular audiologist support, and the right technology, hearing aid feedback cancellation can become an invisible part of your everyday hearing experience, doing its job in the background while you enjoy the sounds of life. 

Don’t let feedback stand in the way of confident communication. Explore hearing aid options with advanced feedback management. Talk to your hearing care provider about models, like Widex, that actively cancel whistling before it starts, so you can focus on what truly matters. 

HEAR CLEARLY. LIVE FULLY.

Take the next step toward natural and feedback-free sound with smart hearing aids from Widex. 
Find a Widex clinic near you
Go to the top