I'm not sure you got that exactly right, Marakanetz. The same amplified signal is sent down both runs of a biwired speaker cable--there is no crossover in the cable itself. The speaker binding posts are wired separately and pass the signal along to their respective drivers. There is no crossover anywhere in the chain in question (there could be one downstream of the speaker binding posts if it's a three or four-way speaker, but that's beside the point).
My advice--if you're a believer that not all cables sound the same--is to go with the biwired speaker cables. Most jumpers are made of relatively cheap material and not something you'd want in your signal path. Unless your jumpers are made of the exact same materials as your speaker cables (not likely) that will result in some degree of degradation of sound.
My advice--if you're a believer that not all cables sound the same--is to go with the biwired speaker cables. Most jumpers are made of relatively cheap material and not something you'd want in your signal path. Unless your jumpers are made of the exact same materials as your speaker cables (not likely) that will result in some degree of degradation of sound.