QED Silver Anniversary XT Bi-Wire Speaker Cable Terminated by Digitalis Audio with QED Airloc Forte Banana Plugs (2m, Bi-Wire Airloc): Amazon.co.uk: Electronics & Photo
Furutech Bi-Wire Speaker Reference III High End Performance Speaker Cable
Atlas Element (Basic) Bi-wire Speaker Cable
How to Bi-Wire and Bi-Amp Your Speakers — Sewell Direct