Phonak Cap Dome

Phonak SDS 4.0 cap domes are compatible with Phonak, Unitron, and Relate receiver-in-the canal (RIC) and behind-the-ear (BTE) hearing aids. Cap domes are designed to fit on Phonak, Unitron, and Relate receivers or slim tubes.


Cap domes are the smallest size dome and are designed to fit snugly and comfortably into the opening of your ear canal.

  • Instant fit
  • Open fit
  • One size only
  • 10 domes per package
Not Available