Contact the Costco Hearing Center for the recommended dome for the 10.0

PhonakUnitron & Hansaton 4.0 Small Open Domes (Pack of 10)

Q: What are the deninsions accoss the widest part (top) mine is 9 mm's? I am trying to figure out the size I need (small, medium or large)?

small open approximately 5 mm medium open approx 7 mm large open appox 10 mm

Product ID: 775753239

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Details

Brand
Phonak
Colour
skin-coloured
Material
Silicone
Style
Model name
E104

🔊Small 6mm open dome for natural sound

🔋Rechargeable lithium-polymer power

🔟Pack of 10 for long-term convenience

Frequently Bought Together

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Phonak Medium Open Dome 4.0 for Marvel Hearing aids

Description

🎧 Hear the difference, feel the freedom.

BULK PACK ADVANTAGE - 10-pack supply keeps you ready and stocked—never run out when you need it most.
TRUSTED BRAND QUALITY - Phonak’s precision engineering guarantees reliable performance and durability.
DISCREET COMFORTABLE - Skin-colored silicone fits behind-the-ear devices invisibly and comfortably.
POWER MEETS PORTABILITY - Rechargeable lithium-polymer design means no constant battery swaps—stay powered effortlessly.
SEAMLESS SOUND EXPERIENCE - Small open domes ensure natural, breathable hearing comfort all day.

PhonakUnitron & Hansaton 4.0 Small Open Domes are skin-colored, 6mm silicone domes designed for behind-the-ear hearing aids. Rechargeable and lightweight at 2.83g, this pack of 10 offers a discreet, comfortable fit with natural sound transmission, powered by lithium-polymer technology for hassle-free use.

Specifications

Manufacturer	Phonak
Part number	GM-100A
Item Weight	2.83 g
Package Dimensions	6.3 x 2.11 x 0.41 cm; 2.83 g
Item model number	E104
Size	S - Ø 6mm
Colour	skin-coloured
Style	Behind-The-Ear
Material	Silicone
Power source type	Battery Powered
Special Features	Rechargeable
Batteries included?	No
Batteries Required?	No
Battery Cell Type	Polymer
tech_spec_battery_description_toys	Lithium-Polymer

Have a Question? See What Others Asked

What are the deninsions accoss the widest part (top) mine is 9 mm's? I am trying to figure out the size I need (small, medium or large)?

Are these 054-0785?

Costco 10.0T fit?

What type of material are these made of?

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