Listening for Better Health and a Better Life. American Hearing Loop designs and installs systems (IEC60118-4 compliant) that deliver clear, effective communications in all types of public-serving spaces: hospitals, stadiums, retail, court rooms, libraries, offices, banks, pharmacies, schools, conference centers, houses of worship, airports, etc. Hearing Loops are a seamless and wireless solution that offers clarity of sound to people who depend upon hearing aids and cochlear implants to understand the spoken word.