Hifonics B12D2 DVC 2ohm Subwoofer

[MotoMan3198]

I just purchased 2 of these Hifonics Brutus's 12's and they are each going to be hooked up to a KAC-7201 Kenwood amp that puts out 460rms (bridged) @ 4 ohms. I have only read good reviews about these subs so I thought it was time to swap out the 10 and the 12. What should I expect from this set-up? I have stock alternator and just the battery under the hood.

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[csu87 10+ year member]

you need more power. i had mine on about 1500watts and they loved it. low 140s