- Less power of the amplifiers and speaker unit (receiver) due to smaller size.
- Single omni-directional microphone that picks up sound arriving from all around you. Therefore less adaptive directionality of microphones to pivot their focal patterns away from noise.
- Limitations of ear canal anatomy. May be too small to be made as a true IIC to house all the components.
- There may be management difficulties if you have poor vision or manual dexterity.
- Too small to come with the option of a Telecoil.
- As they sit deeper in a humid/moist ear canal they are more susceptible to breakdown due to ingress of ear wax (cerumen) and moisture
- As they have a smaller surface area they are more likely to:
- feedback (e.g. whistle) due to acoustic leakage
- work loose or migrate out whilst talking and chewing,
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Description
Signia Insio 3Nx IIC hearing aidSignia Insio 3Nx is an impressively small custom fitting hearing aid that can fit deeply in your ear canal so its out of sight. It falls into he category of invisible in the canal (IIC). Being made to fit the natural anatomy of your ear can improve both the comfort and the security of the fit. They make excellent use of the natural shape of your ear to direct sound into the canal and therefore preserve the natural inter aural timing and intensity cues
Signia Insio 3Nx is an impressively small custom fitting hearing aid that can fit deeply in your ear canal so it’s out of sight. It falls into he category of invisible in the canal (IIC). Being made to fit the natural anatomy of your ear can improve both the comfort and the security of the fit. They make excellent use of the natural shape of your ear to direct sound into the canal and therefore preserve the natural inter-aural timing and intensity cues that enable you localise where sounds are coming from. These vital cues also enable you to separate the speech you want to attend to from other competing sounds around you.
With the premium digit processing 3 Nx chip platform has 24 digital processing channels. This descent number provides accurate shaping of the amplification to your hearing levels across the frequency range. Also you receive effective noise filtering to provide comfort and clarity in busy social environments with competing noise.
Some of the main benefits of an Invisible in the canal (IIC) style hearing aids are:
- Their miniature size and invisible appearance.
- The location of the microphone in the ear canal helps with:
- natural positioning when using a telephone.
- the preservation of the natural acoustics provided by the external ear (Auricle or Pinna) that help with localising the direction of sound.
- Reduces wind turbulence as tucked further in away from wind.
Some of the limitations of invisible in the canal (IIC) style hearing aids are:
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
great ball!
Size: Medium (2.5"), Style: Fetch Pack 2
My pitbull LOVES these. She is a power chewer and tough on balls and toys and tends to go through them insanely quick. She is still on her first ball out of this pack and its been at least two months. It is a little small for her mouth but she doesn’t seem to mind, as it has quickly become one of her favorites. Not a loud ball and it doesn’t usually make that wet chewy noise when shes going to town on it which is huge for me😂😂 Safe for my pittie so i’d imagine a smaller dog would be just fine.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Border Collie Approved: Easy to Clean, Durable, and Great Bounce
Size: Medium (2.5"), Style: Fetch Pack 2
These are the best balls out there for dogs. These fit great in the chuck-it ball launcher, which we need to wear out my border collie. They fit her mouth properly and, most importantly, do not absorb all the spit or water after a good rain. They are quick to clean off and have good weight so you can let them fly! Furthermore, they bounce well, which is perfect for my dog that likes to catch them on a bounce. The ball is a strong rubber, so should not be easy to chew up. I've used these for years, and the only time I've had to replace them is when one gets lost in the hay field. I highly suggest these as replacements for the common tennis balls.
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Reviewed in the United States on July 19, 2025
★★★★★ 4
Heavy duty.
Size: Medium (2.5"), Style: Fetch Pack 2
My dog was not interested, but it’s a good product
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Reviewed in the United States on April 11, 2026
★★★★★ 5
Treats and plenty of ball throwing with these doggie toy
Size: Medium (2.5"), Style: Fetch Pack 1
I have actually purchased these twice already. I love the one that glows in the dark but it still got lost in my yard lol. My dog is a big breed half pitt/Labrador so she did chew through one of them already. I play ball with her every single day but I DO have to take them away from her because she will destroy them. They are great to add in treats as well, that was one of the my favorite things about them as well. They do last just if you have an over zealous chewer do not let them keep them for long periods of time. They are a good value for the price. Buy them your dog will love it!
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Reviewed in the United States on August 2, 2025
★★★★★ 5
My Female GSD loves
Size: Medium (2.5"), Style: Fetch Pack 1, Size: Medium (2.5"), Style: Fetch Pack 1
Shasta is my smallest. Six in December (2025) along with her brother. She’s 100 lbs and outside, completely ball driven see last picture. Don’t let the size (2.5”) of these Chuck-It balls deter you. If your larger Breed dog has any orthopedic issues, has already torn their ACL etc, one has arthritis but wants to play. This size is perfect!
Shazzy was born with several ortho issues. I don’t throw balls distance but right to her. This size and lighter weight assure even when Shazzy is spazzy w excitement, she’ll catch the ball mid air.
The green balls are softer, and glow in the dark. In summer we can play well past dusk and I can see them!
Her personality shows in the pictures. Playing ball is part of her. These balls are just perfect for her situation. Somehow they disappear, she loves making baskets, puts them in my tractor bucket, or my gardening bucket..then get put in burn pile, trash etc. I keep replacing them because she’d look day and night if we actually ran out!! 🙏✝️👍🏼👍🏼
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Reviewed in the United States on September 3, 2025