The difference between Baha 4 and Baha 5

Question: I was wondering if you could tell me the difference between the Baha 4 Attract System and Baha 5 Attract System?

// Rahul

Answer: Hi Rahul and thank you for contacting us. The difference between the two systems is the sound processor. The Baha 5 generation of sound processors are the latest sound processors developed by Cochlear, following the Baha 4 generation. While the two generations have many common features (for example, connectivity with wireless accessories), there are differences in terms of design and hearing experience.

The Baha 5 Sound Processor (a 45 dB SNHL device) is the smallest bone conduction sound processor available today, and is about 20% smaller than the previous generation Baha 4. It is also the first sound processor that can stream sound directly from iPhone, iPad and iPod touch and can be controlled by a user-friendly Baha 5 Smart App.

The transducer in the Baha 5 Sound Processor, which is the core component of the sound processor, has also been redesigned and significantly reduced in size without losing any power. And with less distortion the sound quality has been improved to help make it easier and more enjoyable to hear.

The Baha 4 Sound Processor first introduced the ability to access wireless technology through a bone conduction implant system. Baha 5 continues this legacy, offering true wireless freedom to users. All of Cochlear’s wireless accessories – TV Streamer, Remote Control, Phone Clip, and the Mini Microphones are compatible with Baha 5.

In terms of design, the Baha 5 Sound Processor features an ergonomic shape with rounded corners, and a palette of colours matching different hair tones.

You can read more about the Baha 5 sound processors here.

All the best!

// The Baha Blog Team

2 thoughts on “The difference between Baha 4 and Baha 5

  1. My friend had one placed against her skull, and the doctor whispered into it and she heard her plain as day.
    1. Can it be adapted to a headband of sorts? The Kaiser doctor refused to do the surgery because she is 84 years old, although highly functional. If it helped her by just touching her skull.
    2. why can’t it be adapted for outer wear behind the ear? My friend would be willing to buy one and just hold it up there so she could hear. Her ears have grown shut, no damage other than that.
    3. How much does the device alone, cost? A non-Kaiser doctor said it would cost 35k if he did the surgery.


    • Hi Suzi,
      We do have non-surgical options available for Baha 5 processors: The Baha Softband, which is primarily used for children, is a headband specially made to fit and connect to our sound processors. Another option will be the Baha SoundArc, which you can read about here – launching in the U.S. in the coming months. You can contact your local Cochlear representative to ask about the SoundArc availability and your questions about sound processor cost, which varies from region to region. Find your local representative by calling here: +1 800 523 5798.

      Here you can also request a free information guide to learn more about your friend’s options:

      I hope this helps to answer your questions! Your friend’s hearing care professional and her local Cochlear representative will have more specific information for her situation.

      Warm wishes,
      Rebecca Jones
      The Baha Blog admin


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