Help with input sens. Vs hu pre out

[Stevenajpvv]

Hey guys quick question. My hu has 8v preouts (avh-4000nex) and my American bass amp for my subs is able to be set up at 8v. Here's my problem, my Fosgate 4 chan. And 2 chan are both 4v maximum... How can I get maximum output out of all three? I have a dmm and dd1 so setting gains and checking voltage is easy.. Just the part about the hu giving 8v and my RF up to 4v. Can that damage anything? Btw my head unit doesn't distort til 40/40

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[LosIsATool 5,000+ posts]

It has 4v outs not 8.

 

[Stevenajpvv]

It has 4v outs not 8.

Just looked online it says 4v... Looked in the manual says 8v I guess I got a typod booklet but appreciate the reply