Cable upgrades! - 6-core VS 8-core VS 16-core - Which one is the best for you? (Comparison) - YouTube
Linsoul Tripowin Zonie 16 Core Silver Plated Cable SPC Earphone Cable for KZ ZS10 PRO ZSN PRO X ZST X CCA CRA(Recessed 2pin, 4.4mm, Moss) : Amazon.ca: Electronics