This is a pair of Colossus 4.5 M balanced interconnect cables.
These are Rev B which were sent back to Purist Audio a year ago to be refurbished and upgraded with their granular Ferox shielding, instead of the original fluid shielding. Therefore the label now reads "Colossus Rev B - Upgrade" (see pic). The Ferox shielding takes the original Colossus quality and ramps it up to a new level.
Since they came back from Purist in "like new" shape just one year ago, these are still in fantastic condition.
Sonics are very neutral, clean, detailed while being completely smooth. Very quiet backgrounds.
Adding in the cost upgrade, the retail price of this cable is probably closing in on the $3k mark.
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Note: I will NOT ship international. Unless you plan on arranging pick-up, do NOT Buy Now if you are in a country other than USA!