Call Today Harper Hearing Service (480) 719-3094 Visit Our Website www.Hearing-Aids-Tempe-AZ.com 1007 E Warner Road Tempe, AZ 85284 Hearing protectors do not hinder communication for people who have normal hearing. Hearing protectors work to help people understand speech when faced with a noisy environment. It is imperative for someone who has hearing impairment to wear hearing protection as a way to prevent more damage.