12 Inch 30cm Ported Car Subwoofer Empty MDF Bass Box Heavy Duty Brand new

American Sound Connection Car Audio Single 12 Vented Subwoofer Stereo Sub Box Ported Enclosure 5/8 MDF : Electronics

How to Build a Subwoofer Box

2) Kenwood KFC-W12PS 12 1000w Subwoofers+Vented Sub Box+Amplifier+Amp Wire Kit

15 Inch 38cm Single Ported Black Carpeted Car Subwoofer MDF Box Bass Enclosure

12 INCH 30CM Ported Car Audio Subwoofer Empty MDF Bass Box Enclosure Heavy Duty £99.99 - PicClick UK

12 Inch Car Speaker & Subwoofer Enclosures for sale

12 Inch 30cm Ported Car Audio Subwoofer Empty MDF Bass Box Enclosure Heavy Duty

American Sound Connection ASC Package Dual 12 Kicker Sub Box Vented Port Rhino Coated Subwoofer Enclosure C12 Comp 600 Watts Peak : Electronics

Made from high quality 18mm MDF. EMPTY 12 CAR SUBWOOFER BOX. Approximate size - 1.2cubic foot. Width of hole - 28cm. Depth across top edge - 22cm.

12 Inch 30cm Single Black ported Subwoofer Sub MDF Box Bass Enclosure ON SALE!!

How to Build a Subwoofer Box

TWIN 12 CAR Subwoofer Slot Enclosure 12 Sub Woofer Box For All Car On Sale!!! £199.99 - PicClick UK