
CROS Nx products.
Signia CROS Innovations
Fitting patients with single-sided deafness can be challenging. But Signia, a pioneer in CROS technology, aims to make the process easier with our range of innovative, world’s first CROS solutions.
Here is what your peers have said about Signia CROS Nx:
“It is the only CROS product that I have had success with. These patients still have some challenges, but overall they accept the fitting at a much higher rate then any other CROS product I have tried.”
“Super easy to program.”
“Patient’s hearing in situations they never heard with their old [competitive] device.”
“Product works well and has very good sound quality. Rechargeable option is excellent.”
Watch Lisa's CROS story.
CROS Pure Charge&Go Nx
The most natural own voice, direct streaming, and lithium-ion rechargeability in one great product.
The new CROS Pure® Charge&Go Nx combines all the advantages* of Signia Nx with convenient wireless rechargeability. It is the first rechargeable CROS device in the industry with direct Bluetooth® streaming and Own Voice Processing (OVP™).
It is intuitive to handle because we integrated wireless charging into its design.
Wearers no longer have to worry about struggling to change disposable batteries. The contactless charging system gives wearers complete convenience, knowing that the hearing aids charge as they should every time.
The high-capacity Li-ion power cell of CROS Pure Charge&Go Nx supports top Bluetooth connectivity, allowing wearers to enjoy long-lasting, high-quality audio streaming. By charging up the power cell while they sleep, they can trust their hearing aids to always deliver the sound they want to hear. Simply Charge&Go!
* Applies to BiCROS fittings only

CROS Pure 312 Nx
The world’s first CROS product in the industry compatible with direct streaming technology.
This elegant device for wearers with unaidable hearing loss in one ear delivers all the benefits of the Signia Nx platform in a BiCROS fitting.
The ideal solution for wearers who want high performance, discretion, and full connectivity, CROS Pure® 312 Nx from Signia keeps the wearer’s own voice and remaining soundscape in perfect balance. It offers the most natural own voice and best speech understanding in noise in a small, elegant housing.
Even with its discreet size, CROS Pure 312 Nx is the first CROS device that supports direct streaming of music and phone calls via Bluetooth. It is also fully compatible with the myControl™ App for remote control, motion-based classification, and tracking of hearing performance.

CROS Silk Nx
The world’s first CROS CIC hearing aid.
The world’s first CROS CIC for people with unaidable hearing loss in one ear. CROS Silk Nx receives sound on that side and transmits it to a hearing aid on the other side.
CROS Silk Nx from Signia delivers a natural hearing experience in its discreet size, instant fit, and exceptional sound quality. It supports Signia’s Ultra HD e2e for superior wireless binaural processing. Wearers enjoy a natural sound quality everywhere, even when listening to music with over-ear headphones.
Thanks to its flexible silicone Click Sleeves, CROS Silk Nx offers a precise fit without waiting times.
CROS Silk Nx is compatible with the touchControl™ App for discreet remote control. It enables wearers to adjust the CROS volume and binaural balance level with just a few taps on their smartphone.

CROS Nx products at a glance
CROS Pure Charge&Go Nx FAQs
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Which hearing devices is the CROS Pure Charge&Go Nx compatible with?
The CROS Pure Charge&Go Nx is compatible with the following hearing devices:
- Pure Charge&Go Nx 7/5/3 Nx
- Motion Charge&Go Nx 7/5/3 Nx
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Can I use direct streaming of phone calls and/or music when I have a CROS Pure Charge&Go Nx device?
Yes. CROS Pure Charge&Go Nx is compatible with the Signia Nx hearing devices, mentioned in the FAQ above, which support:
- direct streaming from iOS (Apple) devices with “made-for-iPhone (MFi) hearing aids” standard, and
- audio streaming from other mobile devices (Android smartphones, older Apple devices, PCs, laptops and other Bluetooth mobile devices) is possible via our StreamLine Mic accessory.
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Can I use direct streaming from my TV when I have a CROS Pure Charge&Go Nx device?
Yes. CROS Pure Charge&Go Nx is compatible to the Signia Nx hearing devices, mentioned in the FAQ above, which support audio streaming from your TV via our StreamLine TV accessory.
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How can CROS Pure Charge&Go Nx provide a more natural hearing than its competitors?
Many hearing aid users do not like the sound of their own voice as it sounds loud and unnatural. Our revolutionary OVP™ (Own Voice Processing) function provides you with a natural sounding own voice combined with optimal hearing of all other sounds for the most pleasant, natural listening experience.*
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What is the battery runtime of CROS Pure Charge&Go?
A fully charged CROS Pure Charge&Go device provides up to 21 hours daily runtime.
The runtime of all lithium-ion rechargeable batteries reduces over time. The estimates are based on fresh lithium-ion rechargeable battery capacity. Under normal operating conditions, the battery will retain up to 80% of its initial capacity after 2 years of use. Please note that battery performance will vary depending on individual usage patterns and environmental conditions.
Please click here to learn more about Lithium-ion batteries -
How long does it take to fully charge CROS Pure Charge&Go?
Full charge takes 3-4 hours.
Please click here to learn more about Lithium-ion batteries -
Is there a possibility of faster charging if I do not have time to wait for a full charge?
Yes. Only 30 minutes charging allows up to 6 hours additional usage.
Please click here to learn more about Lithium-ion batteries
CROS Pure 312 Nx FAQs
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Which hearing devices is CROS Pure 312 Nx compatible with?
The CROS Pure 312 Nx is compatible with the following hearing devices:
– Pure 312 Nx
– Pure 13 Nx
– Pure Charge&Go Nx 7/5/3 Nx
– Motion 13 Nx
– Motion 13P Nx– Motion Charge&Go Nx 7/5/3 Nx
– Insio Nx ITC/ITE 7/5/3 Nx -
Can I use direct streaming of phone calls and/or music when I have a CROS Pure 312 Nx device?
Yes. CROS Pure 312 Nx is compatible to the Signia Nx hearing devices, mentioned in the FAQ above, which support:
Click here for the list of made-for-iPhone compatible Apple devices
– direct streaming from iOS (Apple) devices with “made-for-iPhone (MFi) hearing aids” standard
– audio streaming from other mobile devices (Android smartphones, older Apple devices, PCs, laptops and other Bluetooth mobile devices) is possible via our StreamLine Mic accessory. -
Can I use direct streaming from my TV when I have a CROS Pure 312 Nx device?
Yes. CROS Pure 312 Nx is compatible to the Signia Nx hearing devices, mentioned in the FAQ above, which support audio streaming from your TV via our StreamLine TV accessory.
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How can CROS Pure 312 Nx provide a more natural hearing than its competitors?
Many hearing aid users do not like the sound of their own voice as it sounds loud and unnatural. Our revolutionary OVPTM (Own Voice Processing) function provides you with a natural sounding own voice combined with optimal hearing of all other sounds for the most pleasant, natural listening experience.
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What kind of control elements does CROS Pure 312 Nx offer?
There is a rocker switch on the device for onboard control. Additionally, it can also be controlled remotely via myControl App, which is freely downloadable onto your smartphone.
CROS Silk Nx FAQs
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Which hearing devices is CROS Silk Nx compatible with?
CROS Silk Nx is compatible with the following hearing devices:
– Silk 7/5/3 Nx
– Insio 7/5/3 Nx -
I need a very small, almost invisible device for my one-sided hearing loss. Is CROS Silk the right device for me?
Definitely yes. Our new CROS Silk is the smallest solution in its class.
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Can I control my CROS Silk remotely?
Yes. We offer a direct and very convenient remote control of your CROS Silk device via our touchControl App, which is freely downloadable onto your smartphone.
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I do not have any smartphone. Is there a remote control possibility for CROS Silk other than an app?
Yes. Our miniPocket accessory also provides a highly convenient remote control.
*OVP (Own Voice Processing) is available for Bi-Cros fittings only.