Kicker 48CDF124 (2) Comp 12" Subwoofer in Down Firing enclosure with CXA800 amplifier and wire kit - Walmart.com
Finished my down-firing subwoofer enclosure for two 10's : r/CarAV
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
Kicker 48trtp82 Trtp 8-inch Thin Down Firing Subwoofer And Passive Radiator Enclosure, 2-ohm : Target
Kicker Comp RT 12 Inch Thin Down Firing Enclosure Package with 46CXA4001 Amplifier and wire kit - Creative Audio
Kenwood Excelon P-XW1221D Ported 2-ohm enclosure with two 12" subwoofers at Crutchfield
KICKER 48CDF124 Comp12 12" 300w Down Firing Car Subwoofer in Sub Box Enclosure 713034020332 | eBay
UD-SW100D - Downfiring Enclosure for 10" Shallow Subwoofer | Pioneer Electronics USA
HOW DOES IT SOUND? - Downfiring Subwoofer Build Finished! - YouTube
Kicker® Down-Firing 8" CompRT Car Speaker Loaded Enclosure | Quality Auto Sound | Western United States
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
Pioneer® 12-inch Downfiring Enclosure For Ts-sw3002s4 Subwoofer - Walmart.com