AudioQuest Dragon BiWire Jumpers with 1000 Series Connectors Silver (Set of 4) 500 700 each speaker is individually measured tax_CarSpeakers each speaker is individually measured and certified for acoustic perfection at KEF’s renowned Maidstone workshop During the design process Dragon BiWire Jumpers are 8” long and available with AudioQuest’s 1000 Series Hanging Silver plated extreme purity Red Copper spades or bananas on either end — simplifying the connection where the speaker cable is attached AudioQuest’s top of the line Dragon BiWire Jumpers employ Direction Controlled Solid Perfect Surface Silver (PSS) covered with a Conductive Carbon loaded extrusion that reduces RF pick up