For sale is a pair of BURNDY cables from Naim that can be used to connect an NDS or ND 555 to a 555PS. The pair is in great condition and retails for $1850.

If you use Buy it Now, I will pay shipping cost - fully insured- via UPS Ground in the Continental USA - and if you buy both cables, you get an extra 10% discount. Btw shipping costs charged will be actual costs vs. whatever eBay calculates