I bought this cable three years ago here. It is the best cable I've ever bought for my headphones. However I sold my Utopia a year later and the cable have stay unused ever since. I was cleaning up my closet and I think I should let it go now.
And the Double Helix ultrashort adapter is for converting this cable to use with 3.5mm connector headphones like Sony, Beyer or Focal Elear. On the website it's selling for $229 now, but waiting time is "indefinite", which means 4-6 months or longer.
They are both in excellent condition. I am asking $1600 for the cable and $180 for the adapter. I will pay for shipping if you buy both, but buyer pays the transaction fees if any. I have been away from the Hi-fi world so if I you think I priced them too high, please make offer with other people's sale records so I have a reference.