Yup, just got it from a guy here on the board... Chris Miller.
I have about 400 RMS 4 ohm coming from my Rockford Punch 100 DSM...(Mono).... So I've been told to try this...
http://www.crutchfield.com/S-CX9ih9qNIGs/cgi-bin/ProdView.asp?g=520&id=essential_info&i=218RSD10#Tab
It's about $40 more.... Don't know much about Phoenix Gold, other than they made wires and connectors and stuff....