Front 2 channel at 4 ohm and rear two at 2ohm?

[Mynameismcgyver 10+ year member]

Looking to run my Mrv-f345 amp with the comp set on the front two channels at 4ohm and the rear two channels to a 5 1/4 ID cx52 mid bass at 2ohm. Can I do this so I get the extra 15W? Or is it better to just run 4ohm all the way around?

Second question-Is it worth wiring up the rear door speakers to the head unit or ditch them all together? I would imagine them not doing much of anything off headunit power.

Thanks

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[n2audio 5,000+ posts]

The amp will be fine running 2 ch at 2 and 2 at 4.

I personally like rear fill on HU power. You might need to put some bass blockers on them though.

 

[Mynameismcgyver 10+ year member]

Gotscha. Well, I run my bass level on setting zero all the time. I do understand what you are getting at.. Think I still might need that filter?