Dual 12" Flat Pack Ported Subwoofer Box
What is a Flat Pack Subwoofer Box?
A flat pack subwoofer box is a precision‑cut subwoofer box kit that arrives as a set of cut panels you assemble yourself. Instead of buying a fully built box—or cutting raw wood from scratch—you get a perfectly measured, Designed for you, ready‑to‑glue kit that guarantees accuracy, performance, and a smooth building experience.
NoviceCustom‑Fit Subwoofer Box Designed for Your Setup. Made from 3/4 Cabinet Grade Birch. Single layer side walls and bottom. Double Layer Baffle (subwoofer mounting side) Standard Slot Port. Tuned to Manufacture Specs.
Weekend Warrior
Custom‑Fit Subwoofer Box Designed for Your Setup. Made from 3/4 Cabinet Grade Birch. Single layer side walls and bottom. Triple Layer Baffle (subwoofer mounting side)with flush mount for a more custom look. Added corner bracing and port bracing.
Semi-Pro
Custom‑Fit Subwoofer Box Designed for Your Setup. Made from 3/4 Cabinet Grade Birch. Double Layer Side walls and Bottom. Triple Layer Baffle with Flush Mount. Corner Bracing. A Stack-Fab Kerf Port. And Added Interior Bracing.
Plexiglass window will be scaled to an appropriate size for your project.
After ordering please look out for an email with the renderings of your flat pack showing exactly what your Flat Pack subwoofer box will look like, as well as the outside dimensions for you to confirm.
Max dimensions MUST be supplied as well as subwoofer youll be using! Failure to do so can extend wait time.
Dual 12" Flat Pack Ported Subwoofer Box
1-2 Weeks! Updated 3/27/26
The longest part of the order/lead time is waiting for your order to be "next". After placing your order, you will get a rendering in your email before we start building. Getting your rendering is an indicator that your project in queue to be done soon. Confirming your renderings in a timely manner is imperative to stay on schedule. Your order will be sent VIA UPS and can be tracked via provided tracking number