Our Office
Calvin Trepp has spent his entire professional career dedicated to the hearing aid industry. He has spent more than 35 years in the hearing industry and has worked 24 years at the manufacturing level. Calvin’s first job within the industry was the manufacturing of hearing aids and then progressed into different supervisor roles within the production side. Calvin then moved into sales where he traveled around the United States for 8 years, and eventually moved into a management role within Audibel. In August of 2007, Calvin purchased 3 retail offices and a few years later added two more locations. His post high school education involves a 2-year program in electronics and a 2-year program in management.
Sue is our Hearing Instrument Specialist for Audibel Hearing Centers of North Iowa. She is mostly in the Mason City and Charles City office locations. Sue is an Iowa native growing up in the Charles City area and prides herself in excellent customer service. She graduated Charles City High School and attended N.I.A.C.C. classes in Charles City. Sue has been with Audibel Hearing Centers since Calvin purchased the business in 2007. She later earned her H.I.S. license in 2021. Sue enjoys spending time with her family, Scotty/Schnauzer “Miss Riley” and having everyone over for the holidays! Sue enjoys baking, knitting, and sewing for all her family.
Jan is our Patient Care Coordinator/Office Manager for Audibel Hearing Center of North Iowa.She is an Iowa native and prides herself on excellent customer service. When calling into our office, she will be the friendly voice you speak with. Jan enjoys helping others and spending time with her family, which includes six grandchildren.
My visits with Calvin Trepp in Decorah have always been useful and characterized by mutual respect. Friendly but professional, whether I was there to have my hearing aids cleaned and tested or to consult about the possibility of getting new hearing aids. Grade: A
Richard Ylvisaker, on Google
Deb McCabe, on Google
Great experience, found out that my hearing loss is mild which put my mind at ease. Calvin was great and explained everything perfectly. Highly recommend Audibel !
Shelly Vine, on Google
I’m always pleased with the level of personal service I receive from Calvin and his staff at Audible Hearing Centers. Whether it’s new batteries and wax guards or an issue with one of my hearing aids. They are prompt in responding and make sure that a satisfactory solution is obtained....
Skip Loebig, on Google
Calvin is very knowledgeable and easy to work with
Shane Kelley, on Google
Calvin is always so helpful with Dennis' hearing aid needs.
Kathy Slater, on Google
Very friendly and efficient
Helene Peters, on Google
Calvin was very personable, professional and knowledgeable. He walked me thru the process and made my visit pleasant.
Craig Helton, on Google
Calvin takes good care of us.
Tom Haugen, on Google