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  I4c-T 

 Sound Isolating Earphones 

 These sound-isolating 

earphones with VoicePort inline 

microphone connect to your 

integrated media player cell 

phone. They feature Tuned 

Port-enhanced High Definition 

Drivers for a superior frequency 

soundstage with extended bass 

that you can now enjoy at low 

listening levels, even in noisy 

environments.  

  

  INSERTING THE EARPHONES 

 If the earphone seems to be lacking in low frequency response (bass), check 
the tightness of the seal between the earphone and your ear, or try one of the 
other sleeve options. 

  Warning:  Do not push the earphone sleeve beyond the ear canal opening.

  WEARING THE EARPHONES 

  CHOOSING AN EARPHONE SLEEVE 

 Your earphones come with a selection of sleeves. Make sure the sleeve you 
use is easy to insert into your ear, fits comfortably, and is easy to remove from 
your ear. 

  CLEANING THE EARPHONE NOZZLE 

 If the nozzle of your earphone is blocked, clean the nozzle using the supplied 
wax removal loop.  

 

 Make sure that the sleeve completely covers 
the earphone nozzle.

  If any part of the nozzle is 

exposed, the sleeve is not properly installed

  

 Nozzle 

 Wax Removal Loop 

  When cleaning, do not force any object through the earphone nozzle!  This will 
damage the earphone sound filter.

If necessary, the supplied replacement nozzles may be used. See the back of 
this guide for instructions on nozzle replacement.  

 ©2005, Shure Incorporated
27EN3213 (Rev. 2)

 Printed in U.S.A.

 Foam Sleeves 

 When using the foam sleeves, compress the sleeve between 
your fingers before inserting it into the ear canal. Hold the 
earphone in place for about ten seconds while the foam 
expands and creates a tight seal. 

 Soft Flex Sleeves 

 In small, medium, and large sizes. Made from pliable rubber. 

 Flex Sleeves 

 In small, medium, and large sizes. Made from translucent 
PVC.  

 Triple-Flange Sleeves 

 If desired, the sleeve nozzle may be shortened. Use sharp 
scissors to carefully trim the nozzle to the desired length.  

 Over the ear

in front

    INLINE SWITCH CONTROL

    Push and hold to to MUTE cell phone microphone

 Volume

   Note:

 switching to media during a call mutes cell phone. 

  left

right

Wear the earphones as illustrated below.

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