Very disturbing crackling coming from right speaker during audio playback. Rebooted the unit and had no success resolving issue. Plugged in headphones and right channel seemed fine. Unplugged, replugged, unplugged and still crackling. Any ideas?
Obviously get it replaced if still under warranty.
Google "XXX" device repairs to see who does repairs for whatever device it is and see if a repair is possible or economic.
If the device has a bluetooth option try driving a bluetooth remote speaker if you don't want to use cans.
Under settings there should be a "force mono" option - this may cure it if it's a fire and its software related. Probably will do nothing if it's hardware related.
If it is software related try a 30 second Reset or a more manly Factory Default reset - but I doubt either of those will do anything.
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