I just purchased 4 INFINITY KAPPA 682.7CF speakers 2 for the front & 2 for the rear w/ a INFINITY REFERENCE 475A amp for my 02 Mercury Mountaineer. Also I will be using this with my factory Sub & amp. So does anyone think this will be a good combination & will I receive a great sound? Also does anyone have this particular speaker if so could you share your experince with them?