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Open 4.0 Medium Domes (ร9mm) are premium replacement hearing aid domes compatible with leading brands like Phonak and Unitron. Designed with an open vent for natural sound transparency and made from hypoallergenic silicone, these domes ensure comfort, durability, and enhanced audio clarity for mild to moderate hearing loss users.





| Best Sellers Rank | #32,572 in Health & Household ( See Top 100 in Health & Household ) #8 in Hearing Aid Domes |
| Customer Reviews | 4.6 out of 5 stars 560 Reviews |
A**R
OEM Fit and work perfectly.
Oem. Fit and work perfectly!
D**A
Well made
Fits nice
P**D
Good fit
Work as required
T**R
These work well
These work well with my Phonak.
A**R
Good price
Yes because of the convenience
C**E
Sturdy and long lasting
If you're like me and can't use the custom ear buds with your hearing aids, these are my favorite alternatives. The air holes helps keep things dry, they work well and don't increase my "feedback" incidents. Even though I'm supposed to replace them weekly, they last longer than that. Soft, easy to use, good fit -- so comfy I can forget they're in when I'm using the right size. The price is my only down-vote, but the world is more expensive in all ways, I guess.
L**T
Make sure you know your dome size before buying .
Good quality but the size is got are very tiny. I mean newborn ear size tiny
B**K
Easy to install, correct size
This worked perfectly for the hearing aid when the top of it popped off. Very easy to install in the size was perfect, exactly like the one that came with the hearing aid.
Trustpilot
4 days ago
1 month ago