Whistling, also called feedback, usually means the hearing aid is not sealing well in the ear or something is interfering with the microphone or sound path.
- The hearing aid may not be inserted correctly
- The eartip may be the wrong size
- The eartip may be broken or clogged
- Your hand or another object may be too close to the hearing aid
- Earwax may be blocking the ear canal
Try reinserting the hearing aid, switching eartip sizes, replacing damaged eartips, and cleaning the device. If you suspect heavy earwax buildup, contact a medical professional.
Need more help? Contact Ceretone Support at (866) 283-4262 or support@ceretone.com.
