Kenwood KHS-8BL Manual page 5

5. To change the earphone component parts, refer
to the exploded view and proceed as follows:
(a) To change eartips, detach the eartip from the
elbow. Position the replacement eartip over the
elbow and press firmly on the eartip to secure.
(b) To change to a noise attenuating assembly on
an acoustic tube assembly, detach the eartip from
the elbow. Position the tube end of a new eartube
piece from a noise attenuating plug kit over the
elbow and press firmly on the eartube to secure.
(Option)
(c) To replace an acoustic tube, gently pry the
acoustic tube adapter away from the earphone by
sliding a thin object between the adapter and the
earphone. Work thin object around the
circumference of the earphone to free adapter.
Snap the acoustic adapter of the new acoustic tube
onto the earphone.