In this Instructable i will show you how to build your very own custom subwoofer box!

How to Build a Fiberglass Sub Box

JL Audio Custom Subwoofer Boxes at Crutchfield.com

JL Audio Custom Subwoofer Boxes at Crutchfield.com

TLine for a Treo 10"SSP  50sqin port 130.8inches long makes this single 10 sound like a 15 or 2 12" Subs... amazing what an enclosure will do.

TLine for a Treo port long makes this single 10 sound like a 15 or 2 Subs.

Helpful tips and step-by-step instructions for designing and building your own custom car subwoofer box.

How to build a subwoofer box

Crutchfield shows you how to build a subwoofer box -- it's easier than you might think!

Cut to Perfection

How to Build a Fiberglass Sub Box

In this Instructable i will show you how to build your very own custom subwoofer box!

Our wiring diagrams will help you find the best way to connect your subs and amps so you'll get the best performance out of your gear.

Subwoofer wiring diagrams

The proper way to wire subwoofers depends on both the subs and the amplifier in your system. Here, we explain why the way you wire your sub affects the output.

Custom box for a Dodge Ram 1500 by @eminenthifi featuring (2) 10TW3 thin-line subwoofers! #jlaudio ...

Ram car 2017 – Custom box for a Dodge Ram 1500 by featuring thin-line su…

In this Instructable i will show you how to build your very own custom subwoofer box!

How to Build a Fiberglass Sub Box

1000+ images about Car audio on Pinterest | Custom Subwoofer Box ...                                                                                                                                                                                 More

1000+ images about Car audio on Pinterest | Custom Subwoofer Box ... More

Q Logic Q Customs QL-C1SYT110D/P Single 10" Subwoofer Enclosures Box

Q Logic Q Customs Single Subwoofer Enclosures Box

In this Instructable i will show you how to build your very own custom subwoofer box!

How to Build a Fiberglass Sub Box

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