I hope you are all sitting down, and don't have a drink in your hand, or of a nervous disposition, or wear a pacemaker ......................
The cable in question is the ChordMusic speaker cable, using a military dielectric called Taylon.
Price ..................
£1100 per terminated metre. That's £3300 for a 1.5 metre pair
Or it could have been Sarum, that is about half that price