I have implemented and tested a large number of jumper wires between my speakers and the SPEC real sound processors which I use. Different brands of silver and copper wires with different dimensions and designs by several brands have been tested, including all the various Neotech OCC-types available. The Mundorf ACW115BK wiring cable provides a large step forward regarding resolution, 3D dimesionality, organic presentation and low to high frequency response. This is the most musical jumper wire I have used for this purpose in my system. I am really impressed with the excellent resolution and silence offered by this Mundorf product.