Selecting The Speaker Unit Length - oticon Delta 4000 Manual To Fitting And Operation

Selecting Speaker Unit Length
The speaker unit is available in four lengths and in
left/right versions. No. 1 is the shortest and no. 4 is
the longest. The lengths most commonly used are 2
and 3.
1 2 3 4
The speaker should sit comfortably and hidden
in the ear canal. The wire should be fl ush with
the skin, and the top of the amplifi er should sit
horizontally on top of the ear, behind the pinna.
11