Amazon.com: NEW NIPPON TUB12 12" Car Audio 5/8" Ported Vent Subwoofer Sub Tube Box Enclosure : Electronics
Active 12 Inch Car Audio Subwoofer Tube Enclosure & Amp Cable Package | Seismic Audio
CS1214T | Bass tube with 30 cm (12 inch) subwoofer, can take peak load of 1000 Watts
KICKER TB 8" Compact Subwoofer - AudioWorks of Delaware | Turn It On! | Car Alarms - Remote Starters - Audio Systems - Navigation Systems - Multimedia Systems - Custom Car Rims & Tires - On-site Company Fleet Services