I have the standard cable - it's solid core copper and it's silver plated. It's pretty rigid but has no insulation. I'm thinking of trying a MCRU - I'm using one for the UpTone LPS1.2 with excellent results!
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Amp: BAT VK-655SE
Pre-amp/Digital: exaSound e32 w UpTone JS-2 Power Supply; SOtM tX-USBultra w UpTone LPS1.2; Apple Mac Mini w UpTone DC Conversion Kit & UpTone JS-2 Power Supply; Squeezelite w Logitech Media Server 7.9.0
Speakers: Triangle Magellan Cello II
Cables: AudioQuest WEL XLR, AudioQuest Everest, AudioQuest Hurricane HC, AudioQuest NRG-1000, AudioQuest Diamond USB
Rack: Solid Tech Hybrid
Tweaks: Omicron Stabilizzatore Armonico & Gold Evolution SE; IsoTek Sigmas GII w Optimum EVO3; Furutech FT-SWS (R) AC Outlet; Synergistic Research Blue Quantum Fuse