How Induction Loop Works in Public Phones for Hearing Impaired
- Mikhail Strashnov
- Aug 25
- 2 min read
Why question "How Induction Loop Works in Public Phones for Hearing Impaired" Matters
For people with hearing aids, using a public phone in a noisy place can be difficult. Rugged industrial phones with an induction loop make speech clear and easy to understand, even in loud environments.
1. What Is a Hearing Loop?
A hearing loop (also called an induction loop) is a simple system that sends sound directly to a hearing aid.
The phone picks up the voice.
An amplifier makes the sound stronger.
A hidden copper wire (loop) creates a magnetic field.
The hearing aid’s telecoil (T-coil) receives the signal and turns it into clear sound.
👉 Result: The user hears the voice clearly, without background noise or echo.
2. Step by Step: How It Works
Step | What Happens |
Audio Source | Someone speaks into the phone’s microphone. |
Amplifier | The sound is boosted. |
Loop Wire | The signal travels through a copper loop, making a magnetic field. |
Telecoil | The hearing aid’s T-coil picks up the magnetic signal. |
Clear Sound | The user hears noise-free speech directly in the hearing aid. |
3. How to Use It
Look for the hearing loop symbol (an ear with a “T”).
Switch your hearing aid or cochlear implant to the T-setting.
Pick up the phone or press the button and speak or listen—the sound goes straight into your hearing aid.
4. Why This Is Great
✅ No background noise—just clear speech.
✅ No extra devices needed.
✅ Many users can benefit at the same time.
✅ Works simply and reliably.
5. How to Recognize Phones with a Hearing Loop
Look for the universal hearing loop symbol on or near the phone.
Check the product details—manufacturers will say if the phone has an induction loop.
In public areas, such as transport terminals or workplaces, loop-enabled phones are often clearly marked to help users.
6. In Rugged Industrial Phones
Our all-weather phones, such as the [LC303-PB], can include a built-in induction loop. This makes them ideal for:
Factories and noisy job sites
Outdoor help points
Transport stations
Any place where clear communication matters

7. Real-World Benefits
With induction loops, users with hearing aids can easily talk on rugged phones in noisy environments. This creates equal access, better safety, and less frustration.
👉 Want to make your phones more inclusive? Request the LC303-PB with induction loop today and give your users clear, noise-free conversations in any environment.




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