For crystal cable is using "crystal cable piccolo" for making headphone cables. I think customers can request for higher grade cable but the price should not be about $8k.
Entreq KONSTANTIN 2010
Prices (in Norway):
HiFiMAN - 390 Euro/2,2 m ǀ 450 Euro/3,3 m
Sennheiser HD 800 - 510 Euro/ 2,2 m ǀ 570 Euro/3,3 m
"but I see that I go for that type of sound, wherever possible – energetic, saturated, differentiated, with deep bass. The Entreq Konstantin 2010 gives me all that in one go."
For 510 Euro, approx. HK$5100-5500 <== about 35% less than in HK