crackling sound is avoidable?

[Mec]

panasonic rx fs460 left speaker only making crackling sound. its safe to use with that sound.? it create
any dangerous?

 

[floyd]

panasonic rx fs460 left speaker only making crackling sound. its safe to use with that sound.? it create
any dangerous?

It should be ok to use . it seems like a dirty volume control . you can try some fader lube to clear up the cracking sound.