The dummy speaker has no
acoustic purpose. The choice of
size depends on what fits best in
your ear.
Dummy speakers
60
85
Dome sizes
5 mm*
6 mm
8 mm
* Only for dummy speaker 60
10 mm
The dummy speaker uses an open
dome as shown below. This helps
the transmitter stay in your ear.
Earpiece
Open dome
Please see details for replacing the dome in
section: Replace the earpiece.
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