I would get the Krystals.
What your seeing is 2 different shielding technologies.
The Karma is the twisted type, which uses thin shielding and relies on the twisted nature to protect them from RFI.
The Krystal is more standard and provides multiple shields. In my eyes more practical.
Ive used both. The karma is cheap and smaller.. Mine were the older version an the RCA ends that screw on would work loose...lol A little super glue fixed that though. New ones seem to be improved.
But Knu is time tested and proven value.
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-Ryan
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