Overview-Feedback and Complaints How was your experience with hearing loops, FM/RF, and infrared assistive listening systems?TemplatesInquiries. Templates for you to adapt for your preparations.Complaints and Feedback. Templates for you to adapt if things didn’t work well.Complaints – Where to Submit.Google Reviews. Leave a positive or constructive review.Hearing Instruments Manufacturers-Contact Information for giving feedback about hearing aids and cochlear implants