Question about sub box

[clemson27]

So I ordered a Sundown X-15. Ported box spec says 4.2 cu ft I believe. I have two boxes but not sure which to use and don't wanna take the time to find out lol. Im only gonna be pushing the X-15 on 1300rms when it can handle alot more.

Box 1: Ported (Recessed) Sub Enclosure Box for a 15" Rockford T2 Subwoofer - 32 Hz | eBay

Box 2: 4 CU. FT. CUSTOM-VENTED 15" MDF CAR AUDIO SUB WOOFER BOX ENCLOSURE TUNED @ 32Hz | eBay

Im thinking Box 2 because its 4 cu ft, but at the same time I'm thinking Box 1 because Ill be running the sub on lower power. I'm not good with boxes and just need some opinions

Thanks

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[Boomin_tahoe 5,000+ posts]

Which version?

What vehicle is this going into?

 

[Slo_Ride 5,000+ posts]

Lower power usually allows for a larger box and vica versa.

 

[Hertz Mafia]

http://m.ebay.com/itm/Sundown-Audio-NSV315-Hand-Crafted-Birch-Ported-Subwoofer-Enclosure-/282138811465?_trkparms=aid%253D222007%2526algo%253DSIC.MBE%2526ao%253D1%2526asc%253D20150519202348%2526meid%253Dfff9ef15f238453689a38f8809fefbe7%2526pid%253D100408%2526rk%253D8%2526rkt%253D25%2526sd%253D281844053180&_trksid=p2056116.c100408.m2460

http://m.ebay.com/itm/Sundown-Audio-Zv415-Hand-Crafted-Birch-Ported-Subwoofer-Enclosure-/281844054513?_trkparms=aid%253D222007%2526algo%253DSIC.MBE%2526ao%253D1%2526asc%253D20150519202348%2526meid%253Dd3529cead0a64233807009c10799690a%2526pid%253D100408%2526rk%253D10%2526rkt%253D25%2526sd%253D282138811465&_trksid=p2056116.c100408.m2460

Check it out

 

[clemson27]

It's going in a 2011 Chevy Cruze. Its the v1

 

[Boomin_tahoe 5,000+ posts]

Your best bet would be the 2nd link you provided or what Hertz Mafia provided. Or if you want someone on here can design a box for ya.

 

[n2audio 5,000+ posts]

The port area of the first one is WAY low for a box that big.

The 2nd one looks to be in the ball park (would be nice if they'd give that spec). It should work pretty well.

 

[Austin175 10+ year member]

I'd go with the second link Mafia posted tbh