Our Staff

Calvin Trepp, HIS

Owner

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 Berneman, HIS

Hearing Instrument Specialist

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 Vaage

Patient Coordinator/Office Manager

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.

Patient Reviews

Read a Few of Our Google Reviews

5 out of 5 Stars based on 107 Reviews on Google.

Read what some of our patients have to say about our staff and our office!

Reviewer Profile Photo

Steve, on Google

Very impressive service and friendly people!!

Reviewer Profile Photo

Bruce Weis, on Google

Great service and very helpful!!

Reviewer Profile Photo

CURT BOWN, on Google

They are knowledgeable and helpful with any problem.

Reviewer Profile Photo

Yvonne Kisch, on Google

Reviewer Profile Photo

Janice Brinkman, on Google

Reviewer Profile Photo

Cammie Voss, on Google

They were very helpful and I’m very satisfied!

Reviewer Profile Photo

Harold Miller, on Google

Very professional and knowledgeable. I felt like my problem was well taken care of.

Reviewer Profile Photo

Nancy Wegner, on Google

It was quick and easy. Staff friendly and competent of results. Thank you.

Reviewer Profile Photo

Sandra Godderz, on Google

Absolutely wonderful experience for a “50-something” year old person to have to get hearing aids! Sue was amazing!! Very professional, and very thorough. ! Highly recommend this hearing center!!

Reviewer Profile Photo

Debra Johnson, on Google

Sue was extremely helpful in troubleshooting my hearing aids and her experience was evident. Thank you!!

Reviewer Profile Photo

Aaron McCoy, on Google

In and out in no time

Reviewer Profile Photo

James and Julie Betsinger, on Google

The women that work here are great they explained everything in great detail.

Reviewer Profile Photo

Gail Schwartzkopf, on Google

Reviewer Profile Photo

Marcia Roberson, on Google

Great service,very pleased with Audibel hearing center in Cresco

Reviewer Profile Photo

G Robinson, on Google

I was very pleased with my appointment for cleaning and upgrades. Calvin was very patient and explained everything clearly.

Reviewer Profile Photo

Peggy Johnson, on Google

Reviewer Profile Photo

Randy Ryan, on Google

Reviewer Profile Photo

Bradley Holten, on Google

Reviewer Profile Photo

Donald Kappes, on Google

Calvin has always been very helpful and knowledgeable. We are always treated with utmost respect.

Reviewer Profile Photo

Linda Henkes, on Google

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

Reviewer Profile Photo

Richard Ylvisaker, on Google

Reviewer Profile Photo

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 !

Reviewer Profile Photo

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....

Reviewer Profile Photo

Skip Loebig, on Google

Calvin is very knowledgeable and easy to work with

Reviewer Profile Photo

Shane Kelley, on Google