that will work just fine... I'd go to this site:

knukonceptz.com for all wiring since they are the cheapest you can find... and also the best... get a good 4 gauge 4 channel kit just incase you want to add another amp and you'll be happy with their kit... I sure was.

 

i dont know how old this post is, but i was flipping through, were you ever able to hook your subs up? i researched it, and all you need is a line out converter, just so you gain RCA outputs. for help installing, lemme know, its real easy, i spend days troubleshooting it, and finally relaized what i had to do.

 

Here, was going through old tech articles on mustangworld looking for something for someone else and found this for anyone else with this problem. http://www.mustangworld.com/ourpics/fcar/despeeds1.htm It should have all you need to know