Amazon.com: KENWOOD P-XW1241S eXcelon 12" Preloaded Subwoofer Enclosure : Electronics
Amazon.com: AUDIO SOURCE AS8SW 100 watt Passive In-Wall Subwoofer (8.0") (8.75" cutout dimension) (Discontinued by Manufacturer) : Electronics
Amazon.com: Dayton Audio MKSX4 Four 4" Driver Low Profile Passive Subwoofer : Electronics
HIFONICS Triton TRS250 : Amazon.de: Electronics & Photo
PHONOCAR Evolution 250mm 600W Auto-Subwoofer passiv 260mm 600W : Amazon.it: Elettronica
Amazon.com: Hertz DBX 25.3 DBX Car Subwoofer Bass Box, 600W : Electronics
Crunch CRB250 Auto-Subwoofer passiv 500W: Amazon.de: Elektronik & Foto
Pioneer TS-A2000LB Passive Subwoofer, Powerful Enclosure Subwoofer with 700 W Maximum Power, 20 cm, IMPP Membrane, Black, Continuous Output Power 250 W : Amazon.de: Electronics & Photo
ESX VS1100P - 28 cm (11 inch) passive spare wheel subwoofer : Amazon.de: Electronics & Photo
Amazon.com: Rockville SBG1128 12" 600 Watt Passive Pro DJ Subwoofer, MDF Cabinet/Pole Mount : Musical Instruments
Amazon.com: KICKER TRTP 12-inch (30cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant : Electronics
Hifonics ZRX-12BP Auto-Subwoofer passiv 1000W : Amazon.de: Elektronik & Foto
Hifonics MR10-Dual Car subwoofer passive 1600 W | Conrad.com
Hifonics ZRX-8D2 Passive Car Subwoofer 1200W : Amazon.de: Electronics & Photo
Amazon.com: Kicker 48TCWRT102 10" Slim Car Subwoofer Bundle with Rockville KRYPTON-M1 2000w Peak/500w RMS Mono 1 Ohm Car Amplifier Amp+Remote & Rockville RWK41 Installation Wire Kit with RCA's (3 Items) : Electronics
Amazon.com: Kicker 43TCWRT102 CompRT 10" 2-Ohm Subwoofer in Thin Profile Enclosure : Electronics
Amazon.com: Sound Storm Laboratories PB8 Car Subwoofer and Amp Package – Built-in Amplifier, 8 Inch Subwoofer with Passive Radiator, Remote Subwoofer Control : Everything Else
Amazon.com: Pioneer TS-SWX2502 10 inch Shallow-Mount Pre-Loaded Enclosure : Electronics
Amazon.com: KICKER 47TRTP102 Down-Firing 10" CompRT 2-Ohm Enclosure : Electronics
Amazon.com: KICKER TRTP 12-inch (30cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant : Electronics
Renkforce Bass BP1 Passive Car Subwoofer 200W : Amazon.de: Electronics & Photo
Renegade RXS1000 Car Subwoofer Passive 400 W : Amazon.de: Electronics & Photo
Amazon.com: (2) Kicker 48CWR122 COMPR12 2000 Watt 12" Car Subwoofer Bundle with Rockville RD12 Sealed Subwoofer Enclosure Sub Box & Dual Sub Box Enclosure Installation Kit (3 Items) : Electronics
Sinuslive Auto-Subwoofer passiv 1000 W SL-W365K: Amazon.de: Electronics & Photo
