Newly designed to support the Marvel hearing aids, the Sound Delivery System 4.0 (SDS 4.0) offers robust, reliable and comfortable acoustic coupling components for every day reliability.
Power domes are designed as the first line of defense against wax. At the tip of each dome is a small shield that protects the sound inlet.
Domes should be changed at least every three months or when they become stiff or brittle.
For longest wear wipe the dome daily with a dry tissue.
Please note for hygiene reasons this product is excluded from the Hearing Planet return policy.
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