Please make it stop! Easy troubleshooting for whistling hearing aids. We understand how annoying the whistling noises from hearing aids can be. Here are simple things you can do to avoid feedback: 1. Check if you're wearing your hearing aid correctly. If the device does not fit properly or is not inserted well, sound can leak and reverberate through the hearing aid’s microphone. Your dome or ear mould should create a seal in your ear. 2. Practice proper ear cleaning--and no, this does not mean u