Subs in Boxes

Alpine SBL-S12S4 Bassline 12″ Single Subwoofer Enclosure
Alpine PWE-S8 8-inch Powered Subwoofer
Stinger TXTRB10 - 10″ Subwoofer Underseat Subwoofer Enclosure
Alpine R2-SB12V-2 Next-Generation 12-inch R-Series Alpine Halo Preloaded Subwoofer Enclosure
Kenwood 1000FBOX - 25cm (10") Shallow Subwoofer in a tuned enclosure.
Focal BOMBA BP20 ACTIVE SUB ENCLOSURE
ALPINE SPC-600G7 Volkswagen Subwoofer System
Alpine R2-SB10V Next-Generation 10-inch R-Series Alpine Halo Preloaded Subwoofer Enclosure with ProLink™
Alpine SBL-D12S4 Bassline Series 12″ Dual Subwoofer Enclosure
FOCAL PSB200 8" SUBWOOFER IN PASSIVE ENCLOSURE 
Focal ISUBTWIN Compact Subwoofers (Pair)
Alpine SBR-S8D4.2 R-Series 8” Compact Subwoofer in Tuned enclosure
Alpine S-SB12V - 12″ Halo Subwoofer with ProLink™
Alpine S-SB10V
Alpine R2-SB12V-4 Next-Generation 12-inch R-Series Alpine Halo Preloaded Subwoofer Enclosure with ProLink™
Alpine R2-SB10V R-Series 10″ Halo Subwoofer with ProLink™
Alpine SBW-D12S4 Bassline 12″ Dual Subwoofer Enclosure
MTX Audio TNE212D Terminator Dual 12" Sealed Subwoofer Enclosure
Alpine R2-DB8V-TRK Halo R-Series Preloaded Truck Subwoofer Enclosure with ProLink™
Alpine RS-SB12 R-Series 12″ Shallow Profile Enclosure 2 Ohm Subwoofer
Alpine RS-SB10 R-Series 10″ Shallow Profile Enclosure 2 Ohm Subwoofer
Alpine SS-SB10 S-Series Shallow Enclosure with 10-inch Subwoofer
Alpine SS-SB12 S-Series Shallow Enclosure with 12-inch Subwoofer
MTX Audio RT10X3DS - Triple 10" RoadThunder 600W Subwoofers in a tuned Enclosure
Alpine S2-SB12 PrismaLink™ S-Series 12” Preloaded Subwoofer Enclosure
Stinger TXJTD8 Dual 8″ Under Seat Vented Jeep Gladiator Subwoofer Enclosure
Stinger TXJWB12 Tail Gate 12″ Subwoofer Enclosure for Jeep Wrangler
Alpine S2-SB8 8-inch PrismaLink™ S-Series Preloaded Subwoofer Wedge Enclosure
Alpine S2-SB10 PrismaLink™ S-Series 10” Preloaded Subwoofer Enclosure