Single Ported 12 Design - 2.25 cubic ft @ 35 HZ | caraudiofabrication
![](https://static.wixstatic.com/media/d26aba_0f9da90755ed439f90b6453fa15dc205~mv2.jpg/v1/fill/w_480,h_480,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/d26aba_0f9da90755ed439f90b6453fa15dc205~mv2.jpg)
2.25 Cubic Ft @ 35 HZ Outside Dimensions 17.75 Deep x 30.25 Wide x 14.00 Tall Max Subwoofer Mounting Depth: 12.50 (If your subwoofer's mounting
![](https://www.ctsounds.com/cdn/shop/products/CT-Sounds-Dual-15-Inch-Center-Ported-Subwoofer-Box-Desgin_400x.png?v=1627716156)
Dual 12 Inch Vented Subwoofer Box Design, 42% OFF
![](https://www.bestcaraudio.com/wp-content/uploads/2020/12/Proper-8.jpg)
The Importance of Proper Enclosure Sizes for Subwoofers
![](https://audiojudgement.com/images/2016/03/4th-order-bandpass-ripple.jpg)
4th order bandpass calculator - With subwoofer box design example
![](https://www.sonicelectronix.com/images/cats/96-1702400346.jpg)
Ported/Vented Subwoofer Boxes & Enclosures at Sonic Electronix
![](https://www.ctsounds.com/cdn/shop/products/CT0010_2_Strato12_3.00_35HZ-DSC_3953_spo_1400x.jpg?v=1619853906)
CT Sounds Dual 12 Inch Vented Subwoofer Box Design – CT SOUNDS
![](https://cdn11.bigcommerce.com/s-209k8v1/images/stencil/1280x1280/products/20244/57413/down4sound-down4sound-pro-fab-birch-flat-pack-2-12-or-2-12-sub-box-or-diy-dual-12-inch-ported-subwoofer-enclosure-box__42196.1687270959.jpg?c=2&imbypass=on)
Dual 12 Inch Vented Subwoofer Box Design, 42% OFF
![](https://www.ctsounds.com/cdn/shop/products/CT0010_2_Strato12_3.00_35HZ-DSC_3990_spo_1400x.jpg?v=1619853905)
CT Sounds Dual 12 Inch Vented Subwoofer Box Design – CT SOUNDS
![](https://static.wixstatic.com/media/d26aba_035a745992c340b7817f79033662f77b~mv2.png/v1/fill/w_520,h_520,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/d26aba_035a745992c340b7817f79033662f77b~mv2.png)
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This listing is for a custom ported enclosure for two 12 subwoofers. We use 4 aeroports to reduce port noise so you get nothing but clean clear bass
![](https://cdn4.volusion.store/dummn-ojnvq/v/vspfiles/photos/B212ported-2.jpg?v-cache=1580111488)
Custom Ported Sub Enclosure for 2 12 Subs - 4 Aeroports - 4.5 CF