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Here's the thing, i was considering getting 2 - 12" older model p3s, 2ohm subwoofers,

 

 

Power Handling (Watts RMS): 400 Watts RMS 
800 Watts Max

 

 

With this amp

http://www.rockfordfosgate.com/products/details/p1000x2

Rated Power 
(RMS Continuous Power): 300 Watts x 2 @ 4-Ohm 
500 Watts x 2 @ 2-Ohm 

 

wired with the 2ohm version

2_2ohmDVC_2ohm.png

 

 

If i can't find the older ones in 2ohm, i've come across the 4ohms, but wiring them would only deliver 300 watts, is this enough or do i have to get the 10"(which only require 300)?

 

2_4ohmDVC_4ohm.png

 

 

going in the trunk of a car, have 39" width and want to do less than 8" deep, ~16-18 high(considering leaving a spot on the box for the amp). will post up a drawing later(i have a couple tasks i need to take care of when i get home)

 

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The one you missed was using the second configuration but bridging at the amp for 1k @ 4ohm. 

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I'd just run 4 ohm x 2.

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The one you missed was using the second configuration but bridging at the amp for 1k @ 4ohm. 

huh? its 400w rms, so i wouldnt push it past 850

 

I'd just run 4 ohm x 2.

 

if i cant find the 2 ohms? or is there a reason for choosing 4 ohms over 2 ohms?

this option would send 200w less to each sub and be 100w under the suggested power lvls

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You can't hear a 100w difference.

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why limit yourself to RF? Tons of options

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my dad had rf in his old truck and it was legit, basically good experience. im open to suggestions though. also, i dont like the cosmetics on the pioneer and some of the other models, i like the simplistic look of the older rf

 

why limit yourself to RF? Tons of options

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Oh yeah, budget wise, i only want to spend about 600 tops on the sub and amp, that was one of the main reasons. I considered the alpine shallows, but they are hella expensive(300ish ebay/amazon for sub and then alpine amp 2-300) . The kenwoods are closer to 4"(i believe) and i want the box to be about 6-8" deep tops(going in car trunk). also, i heard mb quarts are like almost 3", but i'm not familiar with the brand.

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