Hearing Aid Center in Charles City

Audibel Hearing Centers

Office Hours

  • Monday 9:00 am - 12:00 pm
  • Tuesday Closed
  • Wednesday Closed
  • Thursday 9:00 am - 4:30 pm
  • Friday Closed
  • Saturday Closed
  • Sunday Closed

Our Office

Schedule Online

Meet the Staff

Calvin Trepp, HIS


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.

I was able to walk in and after a brief wait, I had my hearing aids cleaned and checked. Friendly, helpful, and quick service.

Reviewer Profile Photo

Bette Rasmussen, on Google

Reviewer Profile Photo

Rhonda Christensen, on Google

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