How do hearing aids work?
Just like a fingerprint, every ear is unique. That's why it's important to find a hearing aid that fits you and your hearing needs. Today's hearing aids use the latest digital technology, tailored to help you hear your best.
Book a free hearing health check or visit us in store to chat with one of our trained professionals.
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Hearing aids are built to make your life easier and help you hear at your best
Forget what you think you know, modern hearing aids are discreet, comfortable, and do far more than just make sounds louder.
They can:
• Connect directly to your smartphone
• Reduce background noise with advanced noise-cancelling technology
• Use microphones to focus on the sounds you want to hear
• Amplify speech so conversations are clearer, even in busy environments
Whether you're walking, driving, listening to music, or catching up with friends in a busy restaurant, today's hearing aids are designed to support you and enhance your everyday life.

How do modern hearing aids work?
The latest hearing aids are like tiny computers. They're lightweight, comfortable, and available in a variety of styles, fits and colours, all at affordable prices.
Most hearing aids have three key components:
• Microphone: picks up sounds from around you
• Processor: analyses and adjusts the sounds to match your needs
• Receiver (or loudspeaker): delivers the sound into your ear
Unlike older devices, today's hearing aids don't just turn up the volume. They amplify the sounds you need, while reducing the ones you don't.
Doing more than just making things louder
Hearing loss doesn't simply make the world quieter. Some sounds can be harder to hear, while others, like sudden loud noises or high-pitched sounds, may feel uncomfortable.
That's why hearing aids can be set to:
• Amplify only the sounds you need to hear
• Reduce unpleasant background noise
• Limit the maximum volume, so loud sounds stay comfortable
Digital hearing aids also adapt to your specific hearing profile, boosting the frequencies you struggle with most.
Helping with background noise
Many people find conversations in noisy places, like busy restaurants, especially difficult. Modern hearing aids use advanced processing to help you focus on voices, making it easier to follow conversations in challenging environments.
Some models can even:
• Switch settings automatically depending on where you are
• Suppress background noise and feedback whistling
• Connect to Bluetooth devices like your phone or TV, sending the sound straight to your hearing aids
• Work with smartphone apps, so you can control your settings with a tap
Try them for yourself
You can explore the hearing aids available at Boots Hearingcare [here]. Not sure if you'd benefit from one? Start with our free online hearing test.
If the results suggest you may have hearing loss - or if you'd like a full assessment - you can book a free hearing test online or by calling 0845 270 1600.
A brief history of hearing aids
Digital technology continues to advance, making it possible for people with even severe hearing loss to hear more naturally and comfortably.
Book a free hearing test