Use our Dome Finder to match your hearing aid model with compatible domes.
Use our Dome Finder to match your hearing aid model with compatible domes.
$1249
Compatible with both EasyWear V1 and V2 receiver systems.
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Made in Germany - Power One batteries are manufactured in Ellwangen, Germany, at the world's most up-to-date and biggest production site for hearing aid batteries. They are produced on fully automated high-speed lines. The high degree of automation of this process means that very few manual operations are required - the risk of error is therefore minimal. Optimum service life and performance - A long service life with a guaranteed high cell voltage thanks to a patented cathode technology makes frequent battery changing redundant and promises the best sound. Extreme Reliability - Power One provides additional safety even under extreme environmental conditions thanks to its three-fold sealing design and patented PTFE film technology. PTFE is a very special type of plastics: its also serves as a non-stick coating on pans (as Teflon®) and as a breathable membrane in clothes (as Gore-Tex®). Tested - Each individual cell is tested for its electrical and mechanical characteristics in accordance with its specifications. Compatibility - Our size 312 Power One hearing aid batteries are compatible with all major hearing aid brands, including Oticon, Phonak, ReSound, Starkey, Widex, Signia, Unitron, and more. Order today and get First Class Mail Shipping (with tracking). Free shipping on US orders over $50. Batteries are guaranteed fresh, with a minimum of 2 years of shelf life (as printed on the battery cards).
Widex EasyWear Instant Domes - Open 10 domes per pack Easy snap-on installation Compatible Hearing Aids Widex: Moment SmartRIC, Moment Sheer, Moment 312, Moment 10, Moment Rechargeable, Allure, Evoke, Beyond, Unique, Dream, Passion Compatible with both EasyWear V1 and V2 receiver systems.
Widex Instant Double Ear-Tips - For better retention and seal 10 domes per pack Easy snap-on installation Compatible Hearing Aids Widex: Moment SmartRIC, Moment Sheer, Moment 312, Moment 10, Moment Rechargeable, Allure, Evoke, Beyond, Unique, Dream, Passion, Fusion Compatible with both EasyWear V1 and V2 receiver systems.
Signia & Rexton EarWear 3.0 Domes - Latest generation eartips for Signia AX/IX and Rexton Bi-Core/Reach hearing aids Available in Open and Tulip styles 6 domes per pack Medical-grade silicone material Compatible Hearing Aids Signia: Pure IX, Pure AX, Pure Charge&Go AX, Styletto AX, Styletto IX, Motion X, Silk IX (Sleeves only) Rexton: Bi-Core, Reach Important: EarWear 3.0 domes are NOT compatible with older Signia X, Nx, Primax, Binax, or micon models - those require Click Domes 2.0.
Patented EasyGuard™ technology preferred by 68% of users over traditional domes in a 4-month clinical trial at the Phonak Audiology Research Center (PARC). Compatible with Phonak Audéo Infinio and Audéo Sphere Infinio hearing aids Features a patented sound-transmitting membrane that seals and protects the receiver from earwax No wax filter replacement needed - simply wipe the dome clean with a dry cloth Equivalent acoustic performance to traditional domes - no sound quality compromise 8 domes per pack Clinical Study Results In a 4-month home trial conducted at the Phonak Audiology Research Center (PARC), experienced hearing aid users evaluated EasyGuard domes: 68% preferred EasyGuard over their traditional domes 61% reported spending less time cleaning earwax from their hearing aids 90% found EasyGuard as comfortable or more comfortable than their own domes 79% would recommend EasyGuard to others 58% reported improved overall satisfaction with their hearing aids Source: Sanchez, C., & Adler, M., Phonak Field Study News, October 2025 Why EasyGuard? Earwax buildup is a leading cause of hearing aid problems - 38% of service cases at clinics are resolved simply by cleaning or replacing wax filters. EasyGuard's patented membrane creates an extra barrier between your ear canal and the receiver, dramatically reducing maintenance needs. Sound-Transmitting Membrane: Patented sealed membrane protects the receiver while maintaining full sound quality Simplified Maintenance: No tiny wax filters to replace - ideal for users with dexterity or vision challenges Dual Protection: CeruStop filter can remain in place as backup protection when changing domes Proven Durability: Reliable performance throughout 4-month clinical trial Natural Sound: Vented design for comfortable, natural sound quality with no acoustic compromise Compatible Hearing Aids Phonak Audéo Infinio Phonak Audéo Sphere Infinio
Original Domes for Resound Hearing Aids Available in Power, Open and Tulip Sizes 5mm, 7mm, 9mm, 10mm, 11mm, Tulip Smokey Color is Less Visible in the Ear 10-per pack
Signia & Rexton Click Domes 2.0 - Open 6 domes per pack Medical-grade silicone material Compatible Hearing Aids Signia: Pure X, Styletto X, Pure Nx, Motion Nx, Pure Primax, Ace Primax, Cellion Primax, Pure Binax, Ace Binax, Carat Binax, Pure micon, Ace micon, Orion Rexton: Stellar, Emerald, Mosaic, Sterling Important: NOT compatible with Signia AX or IX models (Pure Charge&Go AX, Styletto AX/IX, Pure IX, Motion X) - those require EarWear 3.0 domes.
Signia & Rexton Click Domes 2.0 - Closed 6 domes per pack Medical-grade silicone material Compatible Hearing Aids Signia: Pure X, Styletto X, Pure Nx, Motion Nx, Pure Primax, Ace Primax, Cellion Primax, Pure Binax, Ace Binax, Carat Binax, Pure micon, Ace micon, Orion Rexton: Stellar, Emerald, Mosaic, Sterling Important: NOT compatible with Signia AX or IX models - those require EarWear 3.0 domes.
ReSound SureFit 2 Domes - For ReSound SureFit 2B receivers Available in Open, Tulip, Closed, and Power styles 10 domes per pack Important: SureFit 2 domes (dark grey) are NOT interchangeable with SureFit 3 domes (light grey). Using the wrong domes can cause poor fit and potential detachment in the ear canal. Compatible Hearing Aids ReSound: LiNX 3D, LiNX Quattro, LiNX 2, Enzo 3D, Enzo 2 Note: For newer ReSound models (ONE, Omnia, Nexia, Vivia, Savi) please use SureFit 3 domes instead.
ReSound SureFit 3 Domes - The latest generation of ReSound receiver domes Available in Open, Tulip, Closed, and Power styles 10 domes per pack Important: SureFit 3 domes (light grey) are NOT interchangeable with SureFit 2 domes (dark grey). Using the wrong domes can cause poor fit and potential detachment in the ear canal. Compatible Hearing Aids ReSound: ONE, Omnia, Nexia, Vivia, Savi, Key Jabra: Enhance Select 500, Enhance Select 700, Enhance 100, Enhance 200, Enhance Pro 10/20/30 (Costco) Beltone: Imagine, Rely, Amaze, Achieve, Serene, Trust Interton: Move, Gain, Ready Fits the S, M & P (standard, medium, and power) receiver links used on ReSound ONE and newer RIC models.