One Hearing Aid Or Two

Clinical research and scientific studies have shown that in the vast majority of cases the fitting of two instruments give much better outcomes for hearing aid users. Why?
Phonak Hearing Aid

The Brain is designed to process information from both sides of the head

We listen with two ears but hear with one brain because it is ‘wired’ to receive messages from both sides of the head. The differences in the intensity of the sounds between one side and the other, and the difference in time these sounds arrive at one side and the other provides us with valuable information about where the sounds are coming from. You might have noticed this effect when waiting to cross the road. You can tell which direction the traffic is coming from before you even see it. If our ability to hear is reduced on one side, so is our ability to localise sound. More generally in noisy environments it is far easier to distinguish sounds when our hearing is balanced and picking up information from both sides.

Clarity, clearness, richness and fullness of sound

Utilising the information provided by two hearing aids is akin to listening in stereo as opposed to mono. The brain has more information to process which provides a clarity and depth to the sound that wouldn’t otherwise be possible.


Fitting two hearing instruments means that less volume is required to hear clearly so your comfort levels are improved.

Protecting the health of our Ears

No-one can predict how your hearing may change over time but most hearing care professionals believe that fitting two hearing aids will, in most cases, slow down the rate at which our hearing deteriorates. Therefore it makes perfect sense that in instances where there is hearing loss in both ears, the fitting of two hearing aids is appropriate and we should always do so. It wouldn’t make sense to leave one ear unsupported whilst helping the other. You wouldn’t do it with your vision, so why with your hearing?

Latest Technology

Some hearing instruments on the market now have the ability to communicate with one another so that in noisy situations, for example, where knowing the source of sounds, particularly speech becomes even more critical, your hearing aids work together. The on-board computer performs many thousands of calculations per second to help you hear with greater clarity and precision.