CROS Nx products

CROS Pure Charge&Go Nx

The most natural own voice for CROS wearers with convenient wireless rechargeability.

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 compatible with direct Bluetooth streaming.
It is intuitive to handle because we integrated wireless charging into its design.

Wearers no longer worry that they might struggle 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 Bi-Cros fittings only

CROS Pure 312 Nx

A natural hearing experience for CROS wearers with the convenience of direct streaming

This elegant new 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 Signia app for remote control, motion-based classification, and tracking of hearing performance.

CROS Silk Nx

The most discreet natural hearing experience for CROS wearers

The world’s first CROS CIC for people with unaidable hearing loss in one ear. The new 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 Signia 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.

FAQs CROS Nx

CROS Pure 312 Nx is compatible with the following hearing aids:

  • Pure 312 7/5/3 Nx
  • Pure 13 Nx 7/5/3 Nx
  • Pure Charge&Go Nx 7/5/3 Nx
  • Motion 13 Nx 7/5/3 Nx
  • Motion 13P Nx 7/5/3 Nx
  • Motion Charge&Go Nx 7/5/3 Nx
  • Insio Nx ITC/ITE 7/5/3 Nx with Bluetooth

Yes. CROS Pure 312 Nx is compatible with the Signia Nx hearing  aids, 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.
Yes. CROS Pure 312 Nx is compatible with the Signia Nx hearing aids (mentioned in the FAQ above) which support audio streaming from your TV via our StreamLine TV accessory.
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.*
There is a rocker switch on the device for onboard control. Additionally, it can also be controlled remotely via the Signia app, which is freely downloadable onto your smartphone.

The CROS Pure Charge&Go Nx is compatible with the following hearing aids:

  • Pure Charge&Go Nx 7/5/3 Nx
  • Motion Charge&Go Nx 7/5/3 Nx

Yes. CROS Pure Charge&Go Nx is compatible with the Signia Nx hearing aids, 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.
Yes. CROS Pure Charge&Go Nx is compatible with the Signia Nx hearing aids, mentioned in the FAQ above, which support audio streaming from your TV via our StreamLine TV accessory.
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.*
Full charge takes 3-4 hours.
Yes. Only 30 minutes charging allows up to 6 hours additional usage.

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.

CROS Silk Nx is compatible with the following hearing aids:

  • Silk 7/5/3 Nx
  • Insio 7/5/3 Nx
Definitely yes. Our CROS Silk is the smallest solution in its class.
Yes. We offer a direct and very convenient remote control of your CROS Silk device via our Signia app, which is freely downloadable onto your smartphone.
Yes. Our miniPocket accessory also provides a highly convenient remote control.
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