and your amp only pushes 150x2 at 4 ohm or 430x1 at 4ohm i dont know if you have 2 subs or just one but either way they are starving... unless you only have one sub bridged having 430watts rms into a sub that only handles 250watt rms ... could fry the poor thing if not setup right

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Big box installer (Timmins)
02 GRAND CARAVAN SPORT
I change my mind like i change my underwear lol

new system coming.
-CD7200MKII
-new alternator 160amps
-sound deadning

need new subs and a bigger amp. saving up for it.