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 20 reviews
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Dave s. (Tarentum, PA)
Looks great. Perfect for my subs

Design fits my brutus brw15d4 perfectly. Super easy to read and understand. I will be building this weekend hopefully. The only issue with the plans is it should come with a dual baffle option. I have to modify a bit to keep port the same but get me the dual baffle. Lol it's the only way I can put my grills on and not have the speakers hit them. As for sound quality I can personally assure everyone that ordered this it will bang to high heaven. I'm running a sealed q bomb perfab now and knocked off my mirror off twice lol...

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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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