No I'm running sealed I don't like ported. And the subs are 4 ohm 400 rms 800 peak but I'm Runnin 500 watts to each sub, and nah I'm only running about 50-60 watts to the doors, 4 channels aren't the same as mono blocks for how your thinking.

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1999 Ford Ranger Blacked out blinkers, tail lights, third brake light, Limo tint
31"x10.50"r15 cooper ats, 3" fabtech spindle lift
2000 watt monoblock amp 2 12" square mb quart subs JVC headunit, 800 watt 4 channel amp