Qpower Qbass Dual 12 Inch Heavy Duty Mdf Car Audio Subwoofer Enclosure Boxes With Shared Slot Port Vent And Dual Chamber Design, Charcoal (4 Pack) : Target
![Add-On Extension Port for 10inch Subwoofer Enclosure - Trucks – Stinger Off-Road – Jeep Audio And Electronics Add-On Extension Port for 10inch Subwoofer Enclosure - Trucks – Stinger Off-Road – Jeep Audio And Electronics](http://cdn.shopify.com/s/files/1/0284/9259/5245/products/add-on-extention-port-for-10-inch-subwoofer-enclosure-for-full-size-trucks-and-other-vehicles-325435_700x_ac374961-a8ea-4bad-9508-d0b182e7ed9a_1200x630.png?v=1661457121)
Add-On Extension Port for 10inch Subwoofer Enclosure - Trucks – Stinger Off-Road – Jeep Audio And Electronics
![Amazon.com: Skar Audio AR1X12V Single 12" Universal Fit Armor Coated Ported Subwoofer Box with Kerf Port : Electronics Amazon.com: Skar Audio AR1X12V Single 12" Universal Fit Armor Coated Ported Subwoofer Box with Kerf Port : Electronics](https://m.media-amazon.com/images/I/81PeO+oHI6L.jpg)