Reddit mentions of KMD Xbox Breakaway Cable

Nice on being able to keep that pad! I recently was able to get a Cobalt Flux as well so I was in the same spot you were. The Cobalt Flux should have a control box attached like here. Since there are both PS2 and Xbox ports, you can either get a PS2 adapter or an Xbox adapter. If you want to go the PS2 route you can get a Super Joy Box 3 Pro adapter. Personally I went the Xbox route. For the Xbox port, I bought 2 cables. An Xbox breakaway cable, and a Xbox Controller to PC USB adapter. These have worked like a charm for me. It doesn't have to be these exact ones but these are just the ones I used. I'm not too sure on the specifics of lag but it operates fairly well for me. Hope this helps.