Baha® 4 Sound Processor

With the perfect combination of intelligence, usability and power, the Cochlear™ Baha® 4 Sound Processor makes it easy to focus on enjoying life’s finer moments. No more struggling to hear, no need to hassle with extra equipment. It’s just pure hearing, no strings attached.


Baha 4 Sound Processor


You move, it adapts

The sound processor takes advantage of the latest in signal processing technology by using a smart classifier that scans your listening environment. It automatically adjusts to provide you with a clean, crisp and clear signal so you don’t miss out on what’s going on around you. And as the environment changes, so does the sound processor, but with smooth transitions so you won’t even notice that it’s happened.

Read more about the technology inside the Baha 4 Sound Processor.

True wireless freedom...

Have you ever struggled to speak on the phone, or do you find yourself needing to have the TV volume turned up so high that it disturbs others? These are common problems, but thanks to a range of Cochlear Wireless Accessories these problems can be put in the past. There are four great wireless accessories available, all easy to use and designed to make a real difference to your listening experience and your life.


Baha user Mafalda

Baha user Bob


...with no strings attached

The Baha 4 Sound Processor is equipped with 2.4GHz wireless technology (found in common applications like Bluetooth). Not only is it a robust and powerful wireless protocol, it allows for a truly wireless experience as sound is streamed directly to the sound processor. Other wireless systems rely on an additional, neck-worn device – but not Cochlear Wireless. It's 100% wireless, so you don’t need to struggle with cords or have any annoying hardware dangling around your neck.

The smart and personal choice

The advantages of the Baha 4 Sound Processor don’t stop on the inside. There are a range of colour options available that let you match the sound processor to your own style. While a host of hardware and software innovations mean you can trust it to perform where and when it matters most.

baha 4 Range of colors

Range of colours

The discreet sound processor comes in a range of hair-matching colours, but if you are feeling bold, you can also choose from other colourful battery door options. For children, there are tamper-proof battery doors available so parents need not worry about small fingers getting inside.


Baha users navigating with the Remote Control

Simple control

The handy Remote Control makes changing volume or adjusting the settings easy and convenient. Parents can be sure their child is getting the full benefits of their hearing, and thanks to the tactile buttons, people with dexterity problems need not worry about fiddly adjustments.


Baha 4 Protected Sound Processor

Protected from the elements

With a dual-layer protection system and protective membranes that repel moisture and reduce wind noise, the Baha 4 Sound Processor is built to work where and when you need it. An improved outdoor program helps to improve hearing in challenging outdoor environments.



Please seek advice from your medical practitioner or health professional about treatments for hearing loss. They will be able to advise on a suitable solution for the hearing loss condition. All products should be used only as directed by your medical practitioner or health professional. 

Not all products are available in all countries. Please contact your local Cochlear representative.


Wireless accessories

There is a range of wireless accessories designed to help you hear better, even in the most challenging situations.

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