Cardas Neutral Reference speaker wire bi-wire with spades. 7 meter pair. $995 pr obo.
Cardas Neutral Reference speaker is designed as a perfectly neutral reference cable. It sounds the same at any length, whether one or thirty feet, between any component, at any originating or terminating impedance. Neutral Reference is perfectly symmetrical and non-directional. It can be terminated either single or bi-wired.
Outside Diameter: .600
Dielectric Type: Teflon®, Air
Inductance: .034 uh/ft/loop
Capacitance: 117 pf/ft
Cable AWG: 8.5
Conductor Type: Golden Ratio, Constant Q, Crossfield, Pure Copper Litz
Retail: 1 meter pair: $500, 1 meter bi-wire: $630, 2 meter pair: $730, 2 meter bi-wire: $860 so it seems this pair would retail for around $2680.