These are only to be used on SDS 4.0 receiver wires for Audeo Marvel hearing aids. The correct size and type to use should be decided on by a trained audiologist / hearing aid dispenser, and configured correctly in the fitting software.
| Dome size / type: | Small open, Medium open, Large open, Small vented, Medium vented, Large vented, Small power, Medium power, Large power, small CAP dome |
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