Device makes a whistling sound.
• Whistling (feedback) occurs when
amplified sound returns to the
microphone and is re-amplified.
• Most hearing aids whistle when not
inserted properly. Try reinserting the
ComfortTIP
™
into your ear canal so it
fits better.
• Lower the volume.
• If whistling occurs when raising the
volume, you might need more gain
and should try our closed ComfortTIP.
Call us at 800-918-3914.
• Wax or debris can cause whistling.
Clean tubing/tip and ear canal, and
replace tubing/tip if they appear worn.
Please note: When an object (hand, hood, person, wall, etc.) comes close to your
ear while wearing hearing aids, you may experience whistling. This is normal for all
microphones, not just microphones in hearing aids.
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