The differences between CROS and BiCROS
Some people only have severe, profound, or complete hearing loss in one ear while the other has normal or near-normal hearing. In this instance, there is no need for a hearing aid in the natural hearing ear to amplify or clarify sounds coming from that side of your head. However, wearing a CROS/BiCROS system remains a viable solution, as it enables you to hear binaurally again, and thus improves your ability to localize sound, talk on the phone, and understand speech no matter which direction it comes from. The following clarifies how CROS and BiCROS work:
- CROS: A CROS transmitter worn in your “bad” ear receives sound coming toward that side and transmits it wirelessly to a primax hearing ear worn in the ear with normal hearing so that you hear it in your “good” ear. The hearing aid itself doesn’t otherwise amplify sound.
- BiCROS: A hearing aid worn in the ear with aidable hearing loss receives the sound from the CROS transmitter worn in your unaidable ear, mixes it with its own sound input, and amplifies the mixed signal for hearing through your “better” ear.
So, whether your hearing loss solely affects one ear or is present in both ears (but worse on one side than the other), an effective binaural solution is still possible. Talk to our hearing care professional about a CROS/BiCROS system and test it out for yourself!