The earmould The earmould is that part of a behind-the-ear hearing aid that conducts sound to the eardrum.

The earmould is manufactured from an impression cast to be an exact replica of the shape of the ear. The earmould also helps ensure that the hearing aid rests securely on the ear.

A well-fitting earmould helps prevent feedback whistling from the hearing aid by preventing sound leakage. A vent channel in the earmould can reduce the sensation of a plugged up ear, or of speaking in a barrel.

It is important that the earmould’s tube to the hearing aid is of the correct length and is clean, unbroken and soft. A tube of incorrect length may feel uncomfortable and make it difficult to keep the hearing aid in place. It can also form a pinched bend, which could block the sound.

It is very important to keep the earmould clean and to position it correctly in the ear. Otherwise the sound from the hearing aid may not be correctly channelled into the ear and could possibly cause the user to give up wearing the hearing aid because its sound quality seems poor.

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Ear wax