Pioneer UD-SW300D Single down-firing sealed enclosure for 12" shallow sub at Crutchfield
Atlantic Technology SB-900DF Downfiring Subwoofer Preview | Audioholics
Front- and down-firing subwoofers -- Teufel Audio blog
Kicker Comp RT 12" Down Firing Subwoofer Kit with Box: TRTP112-SK
Down Firing vs. Front Firing Subwoofer - Blog - REL
Kicker 12" Thin Down Firing Subwoofer & Passive Radiator Enclosure 48T – Installations Unlimited
Pyle 10'' Active Down-Firing Subwoofer- Ported Design w/ High-to-Low Input level | eBay
Front- and down-firing subwoofers -- Teufel Audio blog
PowerBass PS-ADF110T Compact downfiring 175-watt powered enclosure with 10" subwoofer at Crutchfield
DIY Down Firing Port Active Subwoofer : 18 Steps (with Pictures) - Instructables
Front- and down-firing subwoofers -- Teufel Audio blog
PS-ADF110T 10" Amplified Downfiring Enclosure
Universal Down Firing High-End Custom Hand Crafted Subwoofer Enclosure – Sounds Good Stereo Online
Down Firing vs. Front Firing Subwoofer - Blog - REL
Down Firing VS Front Firing Subwoofers (What REALLY Matters!!) - YouTube
Powerbass PS-ADF110T 10 in. Amplified Down Firing Woofer Box - Walmart.com
Kicker Comp RT Down Firing Single Low Profile Subwoofer Enclosure - 10" - 2 Ohm - 48TRTP102
Down-Firing Subwoofer - Placement and Orientation | AV Gadgets
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 48CVTDF122 CVTDF 12" Subwoofer in Down Firing enclosure, 2-Ohm - Creative Audio
KICKER unMasked | TRTP Down-Firing Loaded Enclosures
