Dual 15 Inch Ported Subwoofer Box Design - CT SOUNDS

Dual 15 Inch Ported Subwoofer Box Design

91% OFF Before: $49.99 Price: $4.44
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$4.44

The dual 15-inch ported subwoofer box design provides you with the blueprints to build your own ported subwoofer box. This dual 15-in sub-box design has a volume of 7.00 ft3 and a tuning frequency of 31 Hz. 

A PDF of the blueprint (box design) will be emailed in less than 30 minutes after you order. If you don't receive it, please check your spam folder or contact us at hello@ctsounds.com.

Port Size: 18.5” X 3” X 14.5”

*Note: All box designs are non-returnable. There is no refund on box designs. 

Customer Reviews

Based on 19 reviews
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eric d. (Indianapolis, IN)
Great experience

Got it fast, only improvement would be layout for minimal material waste

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David G.
Dual 15 inch Subwoofer box design.

I love it! The design was easy to read. I've not built it yet. Going to this weekend. I hope that it sounds as good as the blueprint. Will keep you posted.

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Chris y. (Charles City, IA)
15” sub box blueprints

Awesome design easy to read even for a beginner

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Trent C. (Des Moines, IA)
Fast shipping, amazing products!

Haven't gotten them installed yet, but looking forward to it!

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BILLY C. (Abilene, TX)
Box design

Went back to ported enclosure for my son's truck. Been a while since I designed one, so I ordered a design. The build sheet was very helpful and this thing bangs! Can't wait to see what I am gonna order next.

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