Setting the gains on 4 channel amp

[AzzKicker 10+ year member]

OK I feel like a n00b asking. But I read the entire gains tutorial thread and didnt really see someone with same situation.

I have a 4 channel AMP, 4x75 watts RMS, its 2x300w rms bridged. So its a 600w amp. anyways.

What I have is my components on 1-2 channel and my subwoofer is bridged between 3-4.

So whould I calculate sqrt(75x4) for 1-2 channel and then sqrt(300x4) for 2-4 channel ?

So for my components I should set gains to 17.3v @ 4 ohms

And for my single sub I set it at 34.6v @ 4ohms

Is that right? Or should it be the 17.3v all around ?

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[hcoronado 10+ year member]

looking at the manual and the instructions on setting up the gain. Looks to me that you are right on the money.