http://signalcable.com/silverresolutionspeaker.html
These are very decent for not a tremendous amount of coin. I've run them for years.
The other very good option is Duelund 12 gauge single wire you cut to length you need for your purposes. This stuff is ridiculously good for not much coin. You'll need read the specs. No termination options, just wire and that's okay.
Remember, whatever length you need between component and speaker will need be quadrupled. It's easy to order too little not taking into account the 4 factor.