Which is more efficient

[Gula187 10+ year member]

which of these subs is more efficient?

DD9515

BTL 15

MT 15

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[fscker 10+ year member]

more effiecient for what? alot of things to consider here. spl. sq. daily pounding. competiton. be more specific

 

[Gula187 10+ year member]

daily beating and a ton of pounding

 

[fscker 10+ year member]

with no experience with any of them. i would have to say the DD or the BTL. id lean more towards DD tho if u have the monety

 

[jeremiah 10+ year member]

Dd

 

[Gula187 10+ year member]

off 2k in 4.7 cube box which would get louder

 

[fscker 10+ year member]

no idea. never owned them. ive heard one btl, and i have no idea what he used, or how he had it all setup.