Xone [Custom Blend] Series Earphone Cable – FWW, Crescent Moon II, Raven, Z1R, Mirage Custom EditionFWW Custom Cable Materials: High purity single crystal copper & rhodium conductors, with shielding layer. Tuning Philosophy: Compared to the stock cable, this version enhances the mid low frequency texture and depth, while improving overall tonal weight. High mids remain clear and transparent, with transient response largely preserved. Design Note: We drew inspiration from an audiophiles memorable review: I love listening to the FWW while leaning back