Dual Electronics BP1204 High Performance 12 inch Car Audio Subwoofers in a Tuned Bandpass Enclosure with Blue illumiNITE LED Illumination and Plexiglass Viewing Windows and 1,100 Watts of Peak Power - Walmart.com
Car & Truck Subwoofer Enclosures & Boxes
Custom Sub Woofers Enclosures (bass box) – serious innovations
Amazon.com: Q Power Q Bomb Series 12 Inch Ported Car Subwoofer Sub Box Enclosure with Single Vented Chamber Design and Black Bed Rhino Liner Spray Finish, Black : Everything Else