Cables are not balanced because it is low impedance, they're balanced because the audio signal and the inverted phase copy sent on the 2 live wires can be recombined in such a way to cancel out any noise that has been picked up on the cable!
"some of the best base-level info to remember can be found in Jim's sigfile" @Lugia
Utility modules are the dull polish that makes the shiny modules actually shine!!!
sound sources < sound modifiers < modulation sources < utilities