I am no expert of course what I tried to refer to is this
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The Premium Cable is designed and tested for maximum durability and features an ultra-low resistance, Silver-Plated Copper (SPC) wire that optimizes the performance of our tia™ drivers. With an improved damping factor, the bass is deeper yet more controlled, and the silver-plating increases transparency and micro-detail for an immersive musical experience. The silver-plating of the wire also helps prevent the copper from oxidizing and turning green. "
Also from fir site here
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Our Scorpion wire contains twice the number of individual strands of wire compared to standard IEM cables. Because of this, the resistance is cut in half and this allows the lows get deeper and tighter, and the highs to have that perfect splash. Our Scorpion wire allows you to create a cable which takes full advantage of a low resistance design, giving your in-ear monitors an even more incredible sound. "
As you can see both cables are same and offer super low resistance, this is something I havent seen on other sites talk about. I suspect this maybe plays a role in the good sound quality?
Double Helix Cables are one of a few companies who believe the best possible sound comes from conductance. They base their designs entirely on conductivity, hence the immense use of silver in increasingly high strand counts. It's also why they denounce gold, due to its low conductivity. Whereas, companies like PlusSound and Effect Audio believe playing around with conductivity - by mixing metals like gold and silver, for example - allow them to tailor the sound and achieve a certain signature. As always, though, the proof is in the pudding.