Shure SE530 - Manual (Page 6)

CLEANING THE EARPHONE NOZZLE
Nozzle
Wax Removal
Loop
When cleaning, do not force any object through the earphone nozzle!
This will damage the earphone sound filter.
If you notice a change in sound quality, remove the sleeve and check the
nozzle of your earphone. If nozzle is blocked, clear obstruction by using
wire loop end of cleaning tool.