![Down4sound PRO-FAB v2 2 12 | 2 12 Sub Box | Dual 12-Inch KERF Port Subwoofer Enclosure Box - Down4Sound Shop Down4sound PRO-FAB v2 2 12 | 2 12 Sub Box | Dual 12-Inch KERF Port Subwoofer Enclosure Box - Down4Sound Shop](https://cdn11.bigcommerce.com/s-209k8v1/images/stencil/1280x1280/products/19916/55498/down4sound-2-12-team-d4s-birch-pro-fab-v2-kerf-port-subwoofer-enclosure__40681.1676815913.jpg?c=2)
Down4sound PRO-FAB v2 2 12 | 2 12 Sub Box | Dual 12-Inch KERF Port Subwoofer Enclosure Box - Down4Sound Shop
![Question about this box, I got this box from a friend it's bass is too weak comparing to my box even when connecting on the same amp is this a small box Question about this box, I got this box from a friend it's bass is too weak comparing to my box even when connecting on the same amp is this a small box](https://preview.redd.it/question-about-this-box-i-got-this-box-from-a-friend-its-v0-6cz48c7ki2da1.jpg?width=640&crop=smart&auto=webp&s=50a0fcb92ee563d5514e8fcd9189b6cb72c27528)
Question about this box, I got this box from a friend it's bass is too weak comparing to my box even when connecting on the same amp is this a small box
![Spec advice? I'll try to keep it short: two skar evl18s before, now have four. Old box for 2 hits super hard, low. Divided, 5.21 cu ft per chamber, 6 by 6 Spec advice? I'll try to keep it short: two skar evl18s before, now have four. Old box for 2 hits super hard, low. Divided, 5.21 cu ft per chamber, 6 by 6](https://preview.redd.it/ro0tasi88gs91.jpg?width=640&crop=smart&auto=webp&s=70e8d0305bc32166cf4a866466d11392762c4b15)
Spec advice? I'll try to keep it short: two skar evl18s before, now have four. Old box for 2 hits super hard, low. Divided, 5.21 cu ft per chamber, 6 by 6
![Amazon.com: Bbox Single Sealed 15 Inch Subwoofer Enclosure - Car Subwoofer Boxes & Enclosures - Premium Subwoofer Box Improves Audio Quality, Sound & Bass - Red & Black Spring Terminals - Charcoal : Electronics Amazon.com: Bbox Single Sealed 15 Inch Subwoofer Enclosure - Car Subwoofer Boxes & Enclosures - Premium Subwoofer Box Improves Audio Quality, Sound & Bass - Red & Black Spring Terminals - Charcoal : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71zUXDTz4PL.jpg)
Amazon.com: Bbox Single Sealed 15 Inch Subwoofer Enclosure - Car Subwoofer Boxes & Enclosures - Premium Subwoofer Box Improves Audio Quality, Sound & Bass - Red & Black Spring Terminals - Charcoal : Electronics
![Should I port my subwoofer box? I've got 2 12s under the seat in my truck and with the windows down they hit like they should, with windows up they sound horrible, Should I port my subwoofer box? I've got 2 12s under the seat in my truck and with the windows down they hit like they should, with windows up they sound horrible,](https://i.redd.it/76poft0lj2ca1.jpg)