Pioneer UD-SW300D Single down-firing sealed enclosure for 12" shallow sub at Crutchfield
Kicker 48CDF124 (2) Comp 12" Subwoofer in Down Firing enclosure with CXA800 amplifier and wire kit - Walmart.com
PS-ADF110T 10" Amplified Downfiring Enclosure
Kenwood eXcelon Subwoofer W/ Sealed Enclosure - P-XW1002B
PTRTP Powered Down-Firing 10” Enclosure | Audio Express | Western United States
How to Make Underseat Downfiring Subwoofer Box-Mounted Amp - YouTube
Down firing sub enclosure? - ecoustics.com
Kicker 49PTRTP10 10" Powered CompRT 400w Downfiring Car/Truck Subwoofer+Wire Kit - Rockville Audio
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
Amazon.com: Kicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit : Electronics
Three exciting car subwoofer options
Alphasonik ASDF 10" Down Fire Shallow Mount Flat Enclosur | Alphasonik
Amazon.com: KICKER TRTP 12-inch (30cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant : Electronics
Kicker CompRT Truck vs. Kicker CompRT Downfiring Subwoofer
HOW DOES IT SOUND? - Downfiring Subwoofer Build Finished! - YouTube
Kicker 48TRTP102 TRTP 10" Down Firing Subwoofer Enclosure+Amplifier+Amp Kit - Rockville Audio
UD-SW100D - Downfiring Enclosure for 10" Shallow Subwoofer | Pioneer Electronics USA
Kicker 48TRTP102 Down-Firing 10" CompRT 2-Ohm Subwoofer Enclosure | World Wide Stereo
Kicker 10" Thin Down Firing Subwoofer & Passive Radiator Enclosure 48T – Installations Unlimited
Kicker Comp RT 10" Down Firing Subwoofer Kit with Box: TRTP102-SK
Kenwood P-W804B 8" Down-Firing Subwoofer in Ported Enclosure
KICKER 48TRTP122 TRTP 12" 1000w Down Firing Subwoofer+Sub Enclosure Box+ROCKBOX - Rockville Audio
Kicker 48TRTP122 Sealed downward-firing enclosure with CompRT® 12" shallow-mount subwoofer and passive radiator at Crutchfield
KICKER - 48trtp122KT - 12" CompRT Down-Firing Subwoofer Package
Kenwood Excelon P-XW1241S Ported enclosure with one 12" 4-ohm subwoofer at Crutchfield
Down-Firing Loaded Sub Box - CompRT8 | KICKER®
Kicker Comp RT 12 Inch Thin Down Firing Enclosure Package with 46CXA4001 Amplifier and wire kit - Creative Audio
Kicker® Down-Firing 8" CompRT Car Speaker Loaded Enclosure | Audio Express | Western United States
UD-SW100D - Downfiring Enclosure for 10" Shallow Subwoofer | Pioneer Electronics USA
