Adding a third RE SE worth it?

[04silverz 10+ year member]

Currently have two 15 RE SE dual 4 in a sealed box in the back of my truck. These are the last gen ones, the ones right before the *** came out. Box is definitely on the small side, only like 4.25 or something after displacement.

Whether or not I add a third I will be going with a bigger box. Plesae don't mention ported as I don't want a ported box.

Thinking about adding a third but power may be an issue.

I don't have the money to buy a new amp and currently have an orion 2500d.

Amp puts out 1200 at 4 ohm, which I'm wired to right now, and 1700 at 2 ohm. So I would basically be running somewhere right in the middle if I add a third sub right? Seems like they would all three be underpowered so would adding a third sub thus making them all 3 underpowered be noticeable gains or just go with the bigger box.

Or I could run the amp at under 1 ohm but I don't really want to do that either. Plus I think that would be overpowering them quite a bit.

Cliffs notes:Add a third sub making them all underpowered and adding more sq. ft per sub or just add more sq ft per sub for the two I already have.

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[Ray21 10+ year member]

Why don't you want a ported box?

Its obvious you want more output...

 

[04silverz 10+ year member]

just prefer sealed boxes. everytime I go ported I regret it.

 

[schackel 10+ year member]

add a third...cone area>power if it is that close. i have one that i will sell you for 75 plus shipping PM me if interested