And as for cables I have alot ,

To mention some manufacturers 

Shunyata 

Chord cables 

Wireworld 

Zavfino 

Supra 

ifi 

Oyaide 

Furutech 

Neotech 

And I probably forgot some.. 

As for all mods and tweaks in this system ,there are many . 

I did spend a day taking apart my speakers to cut away connectors and solder cables directly to the drivers , that was a fun project.