The use of two wires between an amplifier and a loudspeaker to operate the low- and high-frequency speaker circuits separately.
 Example sentencesExamples
-  The jumpers connecting the the two pairs of binding posts fitted at the factory must be removed for bi-wiring.
 -  We began experimenting with bi-wiring back in the early '80s, an era when horizontal bi-amplification was considered the ultimate way to drive quality loudspeakers.
 -  I consider bi-wiring a gimmick unless you are going to use two amplifiers.
 -  I presume not since the point of bi-wiring is to keep the bass and treble separate.
 -  Thus, in principle, it seems possible that bi-wiring may alter the system's frequency response.