Brand NEW! If you are using the Dayton Audio double binding post plates, these jumpers are a must! They allow your speakers to be easily changed between bi-wire, bi-amp, or single input configurations. The innovative single-piece design transmits the positive and negative inputs through what appears to be one central conductor, simplifying installation while providing a unique high-end look. Designed to work with either the premium or fully insulated binding posts and the Dayton double binding post plates. Sold individually, one jumper required per speaker. Two inch center-to-center horizontal fork spacing. - All international buyers are responsible for all tax, duties and/or customs fees.