Bridge amps or run individually?

[wong05tsx 10+ year member]

Did a few searchs but i couldnt find the answer -

I'm gonna hook up two 12" type-r's dual 4ohm and was wondering would it be better to bridge both amps (alpine mrd-m850) and hook up the subs, or run each amp to a sub individually. I'll be running them at 4ohms giving them about 500RMS

What are the pro's and con's of each setup?

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[Etac 10+ year member]

well if you were gonna run em each individually you wouldnt be able to run the dual 4 ohms at 4 ohms - 2 and 8 would be your only choices... you can only run them at 4 ohms if they were wired together

also if you bridge them the signal becomes mono instead of stereo- but basically doesnt matter since sub freq are omnidirectional....

and bridged usually gives you slightly more power

edit: if you already got two of those amps - wire each one down to 2 ohms and either push the full 800 watts into each or turn em down a little to like 700-750ish - should be happy (think i looked up the right amp) or if you havent bought the amps - just buy like a Hifonics BXI1606D or higher and wire them down to 1 ohm - cheap and good power (might be slightly over rated from what i hear) but should still move them nicely