|Hi Gastec - These appear an expensive item, and as such one would expect suberb performance from day one fo r along time. |
If I understand you correctly, prior to August they worked without problem, since then you hear crackling at *ALL* times you are using.
Have they been subject to excessive volume, which may have caused damage?
Have you tried disconnecting and re-connecting? (different port?)
Are you able to try on a different pc, in another location?
If crackling still present, suggest returning to manufacturer soonest as only six month sold.
Please advise back on progress.
As a matter of interest, where are you located? I am in Hammersmith, West London.
Good Luck - Keep us posted.