Hearing Aid Center in Mason City

Audibel Hearing Centers

Office Hours

  • Monday 8:30 am - 4:30 pm
  • Tuesday 8:30 am - 4:30 pm
  • Wednesday 8:30 am - 4:30 pm
  • Thursday 8:30 am - 4:30 pm
  • Friday 8:30 am - 4:30 pm
  • 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.

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Steve Kruckenberg, on Google

Extremely helpful, informative and compassionate staff. Willing to go the extra mile.

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Erin Niemeyer, on Google

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Patty Hestad, on Google

Great people. Great service.

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Doug Farrell, on Google

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Lawrence Miller, on Google

Sue was very helpful.

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Mark Bausch, on Google

Always a pleasure doing business with these wonderful people.

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Nancy Jaszewski, on Google

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Dixie Jones, on Google

I was treated like I was the favorite customer

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Greg Flugum, on Google

As always, excellent service.

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Betsy Fickel, on Google

very professional and friendly!!

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Mike Bamrick, on Google

We had great service today, no pressure for time, knowledgeable technician.

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Donna Bodensteiner, on Google

Very friendly, helpful staff!

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Staci Johnson, on Google

Audibel Hearing has been exceptional from our first visit. My mom is 93 n I am 75. She has resisted n denied her hearing loss for 39 yrs until it became so bad there were few choices for a remedy. We went to another place to get her $5,000 aids....

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linda miller, on Google

Always a good experience!

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Carol Tweeten, on Google

I am always well treated and listened to at Mason City Audibel. Jan and Sue are awesome!

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Tim Fredrickson, on Google

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bashkim ademi, on Google

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Bob grant, on Google

Very pleased to get in on short notice. Looking forward to getting my problem solved.

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Nancy Wegner, on Google

Sure appreciated the Birthday gift but also the patience and thorough exams and caring during the process of buying the hearing aids and very happy with the settings! So glad we went to this place in Mason City Verna Mull _sheffield ,IA

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Verna Mull, on Google

Always so helpful!

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Jane Trampel, on Google