Look at the Wireworld line excellent parts quality as well as design -6-9s Copper
their own patented dielectric ,and geometries,many companies use brass over gold or silver connectors
a cheap way of robbing your system. Copper has 3 x less resistance 3 x more conductivity Wireworld use only silver overCopper no bottlenecks that way .
their Equinox would be perfect , Perrotta Consultants Anthony gives great service and deals especially if buying more then 1 pair.