If you choose a more high-end cable, the manufacturer has worked to further minimize the loss in the cable or processed the metal in a way that optimizes the cable towards a certain type of sound or installation. You can, for example, silver the conductors to increase the conductivity or work with different connectors and terminations at the end of the cable, which make the actual connection to the speakers and amplifier better.
We recognize that there is a difference between the cables and the methods, but the important thing is again the proportions. If you buy a system for DKK 10,000, it is not worth buying cables for another DKK 5,000. The actual effect of the cable is far less than if, for example, you upgrade the electronics or the speakers. The placement of the speakers also often makes a bigger difference than the cables, as long as you have the basics in place.