Shure SE425 - Sleeve Handling

Warning: Do not push the earphone sleeve beyond the ear canal opening.
Changing Sleeves
Caution: If the barb or any of the nozzle is exposed, the sleeve is not properly installed. Replace
sleeves if they do not tightly grip the nozzle.
To ensure proper fit and performance, use only sleeves supplied by Shure (unless using custom
molded sleeves).
Removing the Earphones