Hey guys today i tryd to run my mates 2 12" kicker subs off my amp a cadence monoblock and when i tryd to run them all i got was constant bass n switched the wires round etc etc i got the ****s and put my 2 15" clarions back in which i think have less power then the 2 kickers and when i put the 15"s back in all i get is constant vibrating bass is my amp rooted?

Cheers Mitch