Speaker output voltage??

[Jeffdachef 5,000+ posts]

I'm not deadset on using a dmm, just really want to make sure I don't ruin my sub. I'll take a look at those and set those properly.
I do have a highs and mids amp but it's the stock infinity amp in my jeep so I'll just have to turn the EQ down. My box is facing the rear behind my back seat. I think I'm just gonna have to settle with getting another one.

Have the box anywhere from 6-12 inches from the trunk, you should get more output if its closer towards the trunk.