Universal Down Firing High-End Custom Hand Crafted Subwoofer Enclosure – Sounds Good Stereo Online
Pioneer UD-SW300D Single down-firing sealed enclosure for 12" shallow sub at Crutchfield
UD-SW100D - Downfiring Enclosure for 10" Shallow Subwoofer | Pioneer Electronics USA
Kenwood Excelon P-XW1241S Ported enclosure with one 12" 4-ohm subwoofer at Crutchfield
KICKER CompRT Down-Firing 8” Dual-Voice-Coil 2-Ohm Loaded Subwoofer Enclosure Black 48TRTP82 - Best Buy
Three exciting car subwoofer options
Kenwood P-XRW122DB 12" Oversized Subwoofer with Sealed Down-Firing Enclosure - Creative Audio
Amazon.com: Kicker 47TRTP122 Car Audio Down Firing 12" Thin Sub Box Passive Radiator Bundle with Harmony HA-A400.1 Amplifier & Amp Kit : Electronics
Kicker 10" Thin Down Firing Subwoofer & Passive Radiator Enclosure 48T – Installations Unlimited
Kicker 48CDF124 (2) Comp 12" Subwoofer in Down Firing enclosure with CXA800 amplifier and wire kit - Walmart.com
Down firing sub enclosure? - ecoustics.com
Alphasonik ASDF 10" Down Fire Shallow Mount Flat Enclosur | Alphasonik
Kicker Sealed Down-Firing Enclosure with 12" Shallow-Mount Subwoofer *48CVTDF122 – ASA College: Florida
HOW DOES IT SOUND? - Downfiring Subwoofer Build Finished! - YouTube
How to Make Underseat Downfiring Subwoofer Box-Mounted Amp - YouTube
Amazon.com: KICKER TRTP 12-inch (30cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant : Electronics
KICKER - 48trtp122KT - 12" CompRT Down-Firing Subwoofer Package
Kicker Comp RT 12 Inch Thin Down Firing Enclosure Package with 46CXA4001 Amplifier and wire kit - Creative Audio
PowerBass PS-ADF110T Compact downfiring 175-watt powered enclosure with 10" subwoofer - Breakers Stereo and Performance
Kicker CompRT Truck vs. Kicker CompRT Downfiring Subwoofer
Kicker 47TRTP102 10-Inch Thin Down Firing Subwoofer And Passive Radiator Enclosure, Kicker KX400 amplifier and wire kit - Walmart.com
