Introduction Few months ago I started to look for an upgrade cable for my audio setup. Because I spent most of my budget on DAP and IEM (AK300 + Campfire Andromeda), I was left with a few choices. I really needed somethings with affordable price but differ significantly from the original stock item (otherwise we wouldn’t call it “upgrade”). This poses a big problem for me. After trying out many budget level product-lines from many well-known brands (like Effect Audio or Labkable), I was not quite impressed. They didn’t show me any sense of upgrade as...