13
Earmold Advice and Information
The high Gain and MPO of a super power hearing aid like SUMO XP makes the physical
fit of the earmould very important in providing the client with a good setting without
the risk of feedback. Even though the Feedback Management System in SUMO can provide
a feedback free setting, it is still important to take great care when taking an impression
and making the earmould.
Earmould fitting tips:
1) To make a good tight earmould,
the impression is very important.
A good impression is characterized
by a relatively long tip and that all
parts of the concha are filled out.
2) Soft earmoulds of high fitting
quality prevent feedback and are
highly recommended for severe/
profound hearing loss.
3) Soften the concha of the ear with
mild body-lotion (not vaseline), so
that insertion of the earmould is
made easier without stressing the ear.
4) With a tight fitting earmould the
ear is almost air-tight, therefore
daily cleaning of earmoulds is
recommended.
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