Yes, yes, before we begin I know the 309 is better and I promise to upgrade later next year... I need to buy a subwoofer cable but I'm confused. The Denon 1905 has a dedicated input for a subwoofer, fine, but on the back of the 308 sub there seems to be a + and - output. All the subwoofer cables I've seen only have one connection at both ends. Er... so what's the deal with the 308 sub needing two? What am I doing wrong here? Cheers for any help.