What Is a Personal Sound Amplifier and How Does It Work?

A personal sound amplifier is a small, wearable device that makes the sounds around you louder and clearer. If you have ever strained to hear the television or asked someone to repeat themselves at dinner, this is the kind of product people reach for. Here is how it works, in plain English.

How a sound amplifier works

The idea is simple. A tiny microphone picks up the sounds near you, a small amplifier boosts them, and a speaker plays them back into your ear, all in an instant. Modern devices are small enough to sit discreetly inside the ear canal, so most people will not even notice you are wearing one.

The features that matter

• Comfort and fit. A lightweight, in-canal design with a few ear-dome sizes means you can wear it for hours without thinking about it.
• Rechargeable power. A built-in rechargeable battery and charging case save you the fuss of tiny disposable batteries.
• Simple controls. A volume dial and an on and off switch are all most people need, with nothing to pair and no apps to learn.
• Clear speech range. Good amplifiers focus on the range of everyday speech, so conversations are easier to follow.

Where people use them

Sound amplifiers come into their own in ordinary, everyday moments: following dialogue on the television, chatting over dinner, hearing the doorbell, catching what the grandchildren are saying, or enjoying the sounds of a walk outside. They are designed to add a little clarity to daily life, simply and affordably.

HearWithUs is a rechargeable in-canal sound amplifier that weighs just 1.9g per unit, with four ear-dome sizes, a charging case and up to 25 hours of use per charge, for £159 a pair.

HearWithUs sound amplifiers are personal sound amplification products for everyday listening. They are not medical devices and are not intended to diagnose, treat, cure or correct any hearing condition. If you have concerns about your hearing, please consult a qualified professional.