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BiCROS and CROS hearing aids: models and prices

CROS and BiCROS hearing aids are designed for individuals with hearing in only one ear. These systems consist of two components: a conventional hearing aid worn in the ear with hearing ability and a separate microphone, resembling a hearing aid, placed in the non-hearing ear. CROS (Contralateral Routing of Sound) hearing aids capture sound from the non-hearing side and transmit it to the hearing ear. This solution is ideal for those with normal hearing in their better ear. BiCROS (Bi-Contralateral Routing of Sound) hearing aids not only pick up sound from the non-hearing side but also amplify sound from the hearing side before transmitting everything to the ear with better hearing. This option is suited for individuals who have some level of hearing loss in their better-hearing ear.

What is a CROS hearing device?

A CROS (Contralateral Routing of Signal) hearing aid is designed for individuals with one deaf ear and one ear with normal or near-normal hearing. The system helps improve hearing by transmitting sounds from the non-hearing side to the better-hearing ear.

How Do CROS Hearing Aids Work?

CROS hearing aids consist of:

✔ A microphone on the non-hearing ear – It captures sounds from that side.
✔ A hearing aid on the better-hearing ear – It receives the transmitted sound, allowing the user to hear sounds from both sides of their body.

Who Can Benefit from CROS Hearing Aids?

CROS hearing aids are ideal for individuals with:

Single-sided deafness (SSD) – One ear has severe to profound hearing loss, while the other has normal or near-normal hearing.
Asymmetrical hearing loss – A significant difference in hearing ability between the two ears.

Key Benefits of CROS Hearing Aids

Key Benefits of CROS Hearing Aids

✔ Improved sound awareness – Users can hear sounds from both sides, even if one ear is non-functional.
✔ Better speech understanding in noisy environments – By providing access to sounds from the deaf side, CROS aids help users focus on conversations more effectively.
✔ Enhanced spatial awareness – While they don’t restore full directional hearing, they help users identify sound sources more accurately.

CROS hearing aids provide a non-invasive and effective solution for those with single-sided deafness, making communication and daily interactions much easier

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What is the success rate of CROS hearing aid?

CROS (Contralateral Routing of Signal) hearing aids are designed to assist individuals with single-sided deafness by transmitting sounds from the non-hearing ear to the better-hearing ear. The success rate of these devices varies based on individual circumstances and definitions of "success."

Reported Success Rates

Early Studies: Initial research indicated that approximately 50% of users found CROS systems beneficial.
Subsequent Findings: Some studies have reported higher success rates, with up to 67% of users experiencing positive outcomes.

Factors Influencing Success

Hearing in the Better Ear: Individuals with normal or near-normal hearing in their better ear may perceive fewer problems in many listening conditions, influencing their perceived benefit from a CROS system.
Motivation and Realistic Expectations: Users who recognize specific listening challenges and have realistic expectations about the benefits of CROS systems are more likely to experience satisfaction.
Technological Advancements: Modern wireless CROS devices have addressed many limitations of earlier models, such as occlusion effects and aesthetic concerns, potentially improving user satisfaction.

Subjective Outcomes

Users have reported improvements in:

Ease of Communication: Enhanced ability to engage in conversations, especially in challenging listening environments.
Sound Awareness: Increased awareness of sounds from the side with hearing loss.

However, some users may experience challenges, such as difficulty in noisy environments or issues with sound localization.

What does a CROS hearing aid do?

In a CROS (Contralateral Routing of Signal) hearing system, you wear devices in both ears, even though one ear has no hearing ability. The hearing aid on the non-hearing side captures sound and wirelessly transmits it to the hearing aid in the better-hearing ear. This helps eliminate the 'head shadow' effect, ensuring sounds from the deaf side are not lost.

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How much does the CROS hearing aid cost? Cros and Bicros prices

The cost of CROS (Contralateral Routing of Signal) and BiCROS hearing aids in the UK varies depending on the brand, model, and provider. Here's an overview of the pricing:

CROS Hearing Aids

Widex CROS: Priced at £995 per device.
Other Brands: Prices for CROS hearing aids from various manufacturers typically start from around £795 per device.

BiCROS Hearing Aids

General Pricing: Similar to CROS devices, BiCROS hearing aids generally start from approximately £795 per device.

Additional Considerations

Advanced Features: Hearing aids with advanced functionalities, such as noise reduction and Bluetooth connectivity, can range up to £3,595, with various options available between these price points.
Included Services: Prices often encompass services like hearing tests, consultations, fittings, follow-up adjustments, and warranties. It's advisable to confirm with your provider what's included in the quoted price.
NHS Availability: The NHS provides hearing aids free of charge for eligible individuals. However, the selection may be limited, and advanced features found in private options might not be available.

Given the variability in pricing and features, consulting with a hearing care professional can help determine the most suitable and cost-effective option for your specific hearing needs

Are CROS hearing aids available within NHS?

Yes, CROS (Contralateral Routing of Signal) hearing aids are available through the NHS for individuals with single-sided deafness or significant hearing loss in one ear. These systems consist of a microphone placed on the non-hearing ear that wirelessly transmits sound to a hearing aid on the better-hearing ear, enhancing awareness of sounds from the impaired side. To access a CROS hearing aid through the NHS, you'll need a referral from your GP to an audiologist or an Ear, Nose, and Throat (ENT) specialist. The availability of CROS hearing aids may vary by region, and in some areas, they are provided following a referral from an ENT consultant. It's advisable to consult with your local NHS audiology department to understand the specific process and availability in your area. While the NHS offers CROS hearing aids, the selection may be limited to certain models. If you're considering a broader range of options or specific features, you might explore private providers. However, obtaining a CROS hearing aid through the NHS ensures that the device, along with batteries and necessary repairs, is provided free of charge. Learn about the differences between private and NHS hearing aids in our article.

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What is single-sided deafness?

Single-sided deafness (SSD) occurs when one ear is completely deaf while the other has normal hearing. This term also applies to individuals who have one deaf ear and the other with hearing loss that can be improved with a digital hearing aid, a condition known as unilateral hearing loss.In some cases, the hearing loss in one ear is so severe that a standard hearing aid is ineffective. Many people with SSD adapt by positioning themselves so others speak into their better-hearing ear. However, this is not an ideal solution, as it still poses challenges in noisy environments and makes it difficult to determine the direction of sounds. Fortunately, there are now effective hearing aid solutions for single-sided deafness, including CROS and BiCROS hearing aids. Further down the page, we explore these advanced models in more detail.

Difference between CROS and generic hearing aids

Traditional hearing aids amplify sound directly into the ear they are worn on. In contrast, a CROS hearing solution features a device on the non-hearing ear that resembles a standard hearing aid but functions as a transmitter and microphone. This device captures sound from the non-hearing side and wirelessly transmits it to the hearing aid on the better-hearing ear, allowing for improved sound awareness and a more balanced listening experience.

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Choosing the best hearing aid is easier when you have professional advice. Schedule a free consultation with a licensed hearing care professional who will assess your needs and help you make the best decision to fit your unique situation.

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BiCROS hearing aids: what are they?

A BiCROS hearing aid is designed for individuals who have one deaf ear and hearing loss in the other ear. The term BiCROS stands for Bilateral with Contralateral Routing of Signal.These hearing aids are particularly beneficial for people with asymmetrical hearing loss, where there is a significant difference in hearing ability between the two ears, or those with single-sided deafness (SSD) combined with hearing impairment in their better ear.

Who can Benefit from BiCROS Hearing Aids?

BiCROS hearing aids function similarly to CROS systems but are designed for individuals who also have hearing loss in their better ear. In addition to transmitting sound from the non-hearing ear, the hearing aid on the better-hearing side is programmed to provide necessary amplification for any hearing loss in that ear, as determined by your audiologist.

How Do BiCROS Hearing Aids Work?

Unlike standard hearing aids, BiCROS systems consist of:

✔ A microphone on the non-hearing ear – This device picks up sound from the deaf side.
✔ A hearing aid on the better-hearing ear – It receives the transmitted sound and amplifies both the sounds from the poorer side and the natural sounds received in the better-hearing ear.

This setup allows individuals to perceive sounds from both sides, even though one ear does not function properly. BiCROS hearing aids help improve speech understanding, spatial awareness, and overall hearing experience, particularly in noisy environments.

Who Can Benefit from CROS and BiCROS Hearing Aids?

CROS and BiCROS hearing aids are recommended for people who:

✔ Have little to no hearing in one ear.
✔ Have hearing loss in their better ear that can benefit from amplification.
✔ Struggle with sound localization and speech clarity, especially in noisy settings.

Difference Between CROS and BiCROS Hearing Aids

CROS Hearing Aids: For people with one deaf ear and normal hearing in the other. It transmits sound from the deaf ear to the better ear without additional amplification.
BiCROS Hearing Aids: For people with one deaf ear and hearing loss in the better ear. It transmits sound from the deaf ear while also amplifying sound from the better ear.

Availability and Options

BiCROS hearing aids come in various styles, including behind-the-ear (BTE) and receiver-in-canal (RIC) models, and can be programmed to suit individual hearing needs. They are available through private hearing care providers, and in some cases, may be offered through the NHS depending on eligibility and regional availability.

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What is the disadvantage of CROS and BICROS hearing aid?

While CROS and BiCROS hearing aids are effective solutions for single-sided deafness, they come with certain limitations:

1. No True Binaural Hearing

Unlike individuals with natural hearing in both ears, users of CROS and BiCROS systems still rely on just one ear for sound processing.
This means they may struggle with depth perception and accurately localizing sound direction.

2. Difficulty in Noisy Environments

Although these devices help by routing sound from the non-hearing side, background noise can still interfere, especially in crowded or loud environments.
BiCROS users, in particular, may experience amplified background noise, making it harder to focus on speech.

3. Adaptation Period

It can take time for users to adjust to the way sounds are transmitted and processed in their better-hearing ear.
Some individuals may initially find the sound unnatural or distracting.

4. No Restoration of Hearing in the Deaf

CROS and BiCROS aids do not restore hearing in the non-functioning ear; they only redirect sound.
This means that, in some cases, users may still miss subtle auditory cues.

5. Battery Drain & Power Consumption

Since these systems require wireless transmission between the two devices, they tend to consume more battery power than standard hearing aids.
Users may need to change or recharge batteries more frequently.

6. Requires an Intact Hearing Ear

CROS hearing aids only work effectively if the better-hearing ear has near-normal hearing.
BiCROS users must have enough residual hearing in their better ear for the system to be beneficial.

7. Limited Availability on the NHS

While some NHS providers offer CROS and BiCROS hearing aids, availability and model options may be limited.
Private hearing aid providers may offer a wider range of advanced models with additional features.

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Benefits of CROS and BiCROS Hearing Aids

CROS and BiCROS hearing aids offer significant advantages for individuals with single-sided deafness (SSD) or asymmetrical hearing loss by improving sound awareness and speech understanding.

Improved Awareness of Sounds from the Non-Hearing Side: CROS and BiCROS systems capture sound from the non-hearing ear and send it to the better-hearing ear. This allows users to hear voices, alarms, and other sounds that would otherwise be missed.
Easier Communication in Conversations: These hearing aids help users engage in conversations more naturally, without having to constantly turn their head toward the speaker. They reduce the frustration of missing speech from the non-hearing side.
Better Hearing in Noisy Environments: Many CROS and BiCROS hearing aids come with noise reduction technology, making it easier to focus on speech in challenging listening environments, such as restaurants or social gatherings.
Enhanced Spatial Awareness: While CROS and BiCROS aids do not fully restore binaural (two-ear) hearing, they help users become more aware of their surroundings. This is particularly beneficial for traffic awareness and safety in public spaces.
Reduced Listening Effort and Fatigue: People with SSD often experience listening fatigue because they must concentrate harder to hear speech and sounds. By routing sound to the better-hearing ear, these hearing aids reduce strain and make listening more comfortable.
Non-Invasive Solution: Unlike cochlear implants or bone conduction devices, CROS and BiCROS hearing aids do not require surgery. They provide an effective wearable solution for managing single-sided deafness.
Customization and Wireless Connectivity: Modern CROS and BiCROS hearing aids come with Bluetooth connectivity, allowing users to stream phone calls, music, and TV audio directly to their hearing aids. They can also be customized and programmed to match the user’s specific hearing needs.
Available on the NHS (Limited Availability): Some models of CROS and BiCROS hearing aids are available through the NHS, making them accessible at no cost for eligible patients. Private providers offer a wider selection of advanced models with additional features.

Adjusting to CROS and BiCROS Hearing Aids

Like any hearing aids, CROS and BiCROS devices require an adjustment period. It’s important to wear them consistently every day or as often as possible to help your brain adapt to the new way of hearing. While the process may feel challenging at first, persistence is key to achieving the best results. Your audiologist is available for support and adjustments to fine-tune your hearing aid settings, ensuring you get the most out of your device and experience the best possible hearing improvement.

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Brands offering CROS and BICROS hearing aids

Several leading hearing aid manufacturers offer CROS (Contralateral Routing of Signals) and BiCROS hearing aids designed for individuals with single-sided deafness or asymmetrical hearing loss. Notable brands and their respective models include:

1. Phonak

Phonak CROS P: Compatible with the Phonak Audéo Paradise hearing aids, this model offers seamless wireless transmission from the non-hearing ear to the better-hearing ear.
Phonak CROS II: Suitable for various hearing aid styles, providing flexibility and advanced sound processing features.

2. Oticon

Oticon CROS: Designed to work with Oticon's hearing aid portfolio, this device uses TwinLink™ technology to transmit sound wirelessly, enhancing spatial awareness.
Oticon CROS PX: A rechargeable solution that offers dual-streaming capabilities, allowing users to connect to external audio sources while maintaining awareness of environmental sounds.

3. Signia

Signia CROS Pure Charge&Go X: A rechargeable Receiver-in-Canal (RIC) hearing aid that provides natural sound and speech understanding, even in noisy environments.
Signia CROS Silk X: An instant-fit Completely-in-Canal (CIC) hearing aid that offers discretion and high-quality sound transmission.

4. Widex

Widex CROS: Compatible with Widex's EVOKE hearing aids, this solution helps individuals with one-sided hearing loss by transmitting sound from the non-hearing ear to the better-hearing ear.

5. Starkey

Starkey CROS System: Offers both Receiver-in-Canal (RIC) and Behind-the-Ear (BTE) options, compatible with Starkey's hearing aid lineup, providing wireless transmission and advanced sound processing.

Each of these models offers unique features and benefits. Consulting with an audiologist can help determine the most suitable option based on individual hearing needs and preferences.

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