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by: Alissa Horneland, BC-HIS
It is a question we hear often at Frequency Hearing.
A loved one has passed away and left behind hearing aids.
A friend or family member has upgraded their hearing aids and offers their old pair to you.
At first glance, it seems practical. Hearing aids are expensive and still look perfectly usable.
But hearing aids are not like glasses or shoes. Wearing someone else’s hearing aids is more complex than it may appear.
Here is what you need to know before using hearing aids that were not originally fit for you.
Hearing Aids Are Medical Devices
Hearing aids are regulated medical devices. In Canada and the United States, manufacturers and hearing professionals are required to track important information such as:
- Who the hearing aids were originally fit for
- Which hearing healthcare professional dispensed them
- Warranty coverage and repair history
- Recall and safety information
When hearing aids are passed to another person, this registration is typically lost. This means any remaining warranty may no longer apply, and manufacturers may not provide repair or replacement support.
This is one of the biggest reasons why using secondhand hearing aids can become costly and complicated.
Hearing Loss Is Personal
No two people hear the same way. Hearing loss varies by frequency, severity, and ear. Hearing aids are programmed using detailed hearing test results to match each individual’s needs.
Hearing Aids Are Programmed for One Person
When hearing aids are fit, they are carefully programmed based on:
- Your audiogram
- Your comfort levels
- Your listening environments
- Your speech understanding
If hearing aids are programmed for someone else, they may not help you hear better at all. In some cases, they can actually make things worse.
Too much amplification or gain can cause sounds to be uncomfortably loud and may even damage your remaining hearing.
Physical Fit Matters Too
Many hearing aids include custom ear molds or shells designed to fit one specific ear. Even small differences in ear shape can cause:
- Discomfort or soreness
- Whistling or feedback
- Poor sound quality
- Difficulty keeping the device in place
Some manufacturers do not allow custom hearing aids to be remolded for a different person. Even when it is possible, the cost may approach the price of a new device.
Support and Service Are Key to Success
Even if you can physically wear the hearing aids, professional support is still required.
A hearing healthcare professional will need to:
- Perform a full hearing evaluation
- Determine if the hearing aids are appropriate for your hearing loss
- Reprogram the devices safely and accurately
This service is usually provided for a fee, as it requires time, expertise, and specialized equipment. Ongoing follow up care is also essential for long term success with hearing aids.
At Frequency Hearing, we often remind patients that hearing aids are not a one time purchase. Ongoing service, adjustments, cleanings, and support play a major role in how well they work.
What Are Your Options?
If you are considering using hearing aids that belonged to someone else, there are a few possible paths forward.
Option One: Have Them Evaluated by a Hearing Professional
The best first step is to book a hearing test and consultation. A hearing professional can tell you whether the hearing aids are compatible with your hearing loss and if they can be safely adjusted.
Option Two: Consider New Hearing Aids
Today’s hearing aid technology has advanced significantly. Newer devices offer better sound quality, comfort, connectivity, and support options. In many cases, investing in properly fit hearing aids leads to better outcomes and fewer frustrations.
Option Three: Donate the Hearing Aids
If the hearing aids cannot be reused, donation is another meaningful option. Several charitable organizations accept hearing aid donations and may offer a tax receipt. This allows the devices to continue helping someone else in need.
The Bottom Line
Hearing aids are life changing devices, but they are not one size fits all.
While it may be tempting to use a loved one’s hearing aids, doing so without professional guidance can lead to discomfort, poor hearing results, and potential harm to your hearing health.
If you are unsure what noises you may be missing, the best place to start is with a professional hearing evaluation.
Book a Hearing Consultation Today
At Frequency Hearing, we take the time to understand your hearing, your lifestyle, and your goals. Whether you are exploring hearing aids for the first time or have questions about secondhand devices, we are here to help.
Schedule your hearing consultation today and take the first step toward better hearing.










