15s or an 18?

[fozzy2134 10+ year member]

2 15in hdc3 15s in ported box

1 18in kicker solo x in ported box

2600 watt hifonics amp

both subs will be getting full power out of the amp which setup would be the loudest?

12 volts

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[AllDayMJ 10+ year member]

obviously, its determined how much space you have for a box, because if your about to say like 5 cubes, the 18 , if you have closer to 7-8, the 15s id think by far..

 

[mlstrass 5,000+ posts]

daily or burp set up? I'd take the 2 15's for daily tuned at 38Hz in 8.5-9cubes net...

 

[fozzy2134 10+ year member]

i have a 2000 impala with the 2 15s in a ported box it fills my whole trunk im just tryin to be louder then my buddy with his solo x =D

 

[Lakota 5,000+ posts]

If you have a trunk, do 2 12's.

 

[d-REW 10+ year member]

15's ported for sure but 2600 watts is kinda low on the hdc315 throw 2 hifonics amps to em.

 

[tc3k101 5,000+ posts]

If you have a trunk, do 2 12's.

yes

op doubt u have enough air space for either sub set ups

 

[mlstrass 5,000+ posts]

I ran 2 15" HDC's in the trunk of my Altima and did a best of 149@34Hz MECA style on the TL. I still have the box if you're interested. It would have to go in from inside the car though. I'm up by Six Flags...