i dont have much trunk space in my firebird i just got and im getting a

[Wooooooot!]

custom box. what size subs? i can get 3 10 inch subs, 2 12 inch subs or 1 15 inch sub. what would hit hardest

 

[dcolby37]

i have the exact same car, i have the custom box with two 12" jl, they were being powered by an interfire amp, i would get the 2 12", its should do the job, especially for the type of car you have

 

[dante]

2 12s would be most practicle just get decent subs and a good amp, the amp is the most important

 

[Chip]

Well if you look at the over all size of the speaker faces and abide by the rule that the more speaker face the more sound...

The best bet would be 3 10s I think,

But that's kinda UN practical because the wiring would be funny, so I'd say go with the 2 12s.

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[jdmario31]

2 12s is perfect man i have 2 10s and they hit hard i could imagin e2 12s plus 1 15 is alot and you wont be satisfied get 2 decent 12s and you will be bumpping trust.

 

[jdmario31]

2 12s is perfect man i have 2 10s and they hit hard i could imagin e2 12s plus 1 15 is alot and you wont be satisfied get 2 decent 12s and you will be bumpping trust.