I know this is going to sound ignorant but when it comes to hooking up AV stuff, I have never done it with a decent system. ANyway, I will be hooking up two Klipsch xw500d subs to a denon 3311CI. It looks like the Klipsch have a L/R line level input ONLY. The question is what kind of cable do I need to hook it up to this Denon, which BTW should have two sub inputs, I think (dont have the denon in front of me but its on its way). Just want to get the right cables before it arrives. thanks alot for any input.