First, international orders from now on will pay no extra shipping when compared to US buyers. Rates are $5 for orders $49 and under and free for all orders $50+.
Second, recently added to the audio cables is the option for OCC copper and silver-plated copper. Soon, litz coated wire will be an option as well. Here's why OCC is a big deal for personal audio like headphones and amp/dac interconnects. The process with which UP OCC is made starts with a pure metal (copper or silver, which I don't offer because costs are so insane for silver right now) and is then cast in such a way where the resulting wire is 1 crystal. This ensures the best conductivity and consistency in the wire which is never a bad thing.
For those interested, a white paper detailing technical specs and conclusions in regards to performance of OCC wire is linked here: https://cdn.shopify.com/s/files/1/0213/4262/files/occ.pdf?1508513069569546028
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