It's remarkable how much difference a very good clock makes isn't it. Well you'll be pleasantly surprised by the further benefits that are possible with better cables (or cable / filter combos).
Source of the HT DC III: Audio Accessory HK - a trading/website name of Labkable an official distributor of HT cables:
https://www.audioaccessoryhk.com/pr...y-dc-iii50-ohm-single-crystal-copper-成品線-bnc/
You need to use Google webpage translate.
You order and pay for it then they email you afterwards to bill you separately for international shipping, total cost works out around USD150, so not cheap but a little cheaper than the C2 but with performance on another level. Its resolution and refinement is superb.
You may be able to source it in the States too but likely more expensive.