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The Phonak Open Dome 4.0 is a replacement earpiece for Phonak and Unitron 4.0 hearing aids. Its open design with ventilation holes keeps the ear canal unblocked, so wearers avoid the plugged-up occlusion feeling and hear a brighter, less intense sound than closed domes give. It suits people with mild hearing loss who want a natural, open feel and who already own a compatible 4.0 receiver. It is a consumable, not an upgrade: swapping worn domes restores the intended sound and helps prevent ear-canal irritation.
In stock
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Lowest price we've seen: $10.03 on Nov 9 at Japebo. Tracked across 1 store since Nov 9.
| Size | Diameter |
|---|---|
| Small | 6 mm |
| Medium | 8 mm |
| Large | 10 mm |
The Phonak Open Dome 4.0 Marvel is a replacement dome for Phonak and Unitron 4.0 hearing aids. It has ventilation holes throughout, which gives a very open feeling in the ear canal and helps avoid occlusion.
It is best for mild hearing loss. Sound is brighter and less intense than with other dome types. Replacing the domes keeps sound quality optimal and helps prevent eczema and discomfort in the ear canal.
