Kenwood P-W804B 8" Down-Firing Subwoofer in Ported Enclosure
KICKER COMPRT12" Down-Firing Enclosure - 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
HOW DOES IT SOUND? - Downfiring Subwoofer Build Finished! - YouTube
Down-Firing CompRT- Kicker Subwoofer 10" or 12" Options
KICKER COMPRT10" Down-Firing Enclosure - 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
Kicker Comp RT 12 Inch Thin Down Firing Enclosure Package with 46CXA4001 Amplifier and wire kit - Creative Audio