My device is whistling or squealing. How do I fix this?

This noise is called feedback and is caused by sounds that leave you ear and are picked up by the microphone on your device. Here are the things you should check if your device is causing a whistling noise. 1. Make sure your dome provides a tight fit with your ear, sealing your ear canal. 2. Check your ears for wax 3. Reduce the volume slightly on your device to see if the feedback stops 4. Change the tubing and dome. A cracked tubing or dome may allow sound to escape 5. Ensure your device is fully inserted into your ear canal. Sometimes chewing or talking or removing a hat or mask can cause the device to become dislodged 6. If none of these items eliminates the whistling sound contact Online Hearing Canada.

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