Amazon.com: KICKER TRTP 12-inch (30cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant : Electronics
Renegade RXS1000 Car Subwoofer Passive 400 W : Amazon.de: Electronics & Photo
Amazon.com: KICKER 47TRTP102 Down-Firing 10" CompRT 2-Ohm Enclosure : Electronics
Hifonics MR10-Dual Car subwoofer passive 1600 W | Conrad.com
Hifonics TD-200R Passive Car Subwoofer : Amazon.de: Electronics & Photo
Amazon.com: Dayton Audio MKSX4 Four 4" Driver Low Profile Passive Subwoofer : Electronics
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
Amazon.com: Rockville SBG1128 12" 600 Watt Passive Pro DJ Subwoofer, MDF Cabinet/Pole Mount : Musical Instruments
Amazon.com: Rockville SBG1184 18" 1000 Watt Passive 4-Ohm Pro DJ Subwoofer, MDF/Pole Mount : Musical Instruments
Crunch Car Subwoofer Passive 600 W GTO 10BP : Amazon.de: Electronics & Photo
ESX VS1100P - 28 cm (11 inch) passive spare wheel subwoofer : Amazon.de: Electronics & Photo
Amazon.co.jp: Raveland Boom 80 Auto-Subwoofer passiv 500W : 家電＆カメラ
Crunch CRB250 Auto-Subwoofer passiv 500W: Amazon.de: Elektronik & Foto
Crunch CRB-250 Single Bandpass Subwoofer 500W: Amazon.de: Electronics & Photo
Amazon.com: Kicker 43TCWRT102 CompRT 10" 2-Ohm Subwoofer in Thin Profile Enclosure : Electronics
Amazon.com: KENWOOD P-XW1241S eXcelon 12" Preloaded Subwoofer Enclosure : Electronics
Amazon.com: KICKER TRTP 12-inch (30cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant : Electronics
Amazon.co.jp: Raveland Boom 80 Auto-Subwoofer passiv 500W : 家電＆カメラ
Ground Zero GZHW 25XSPL-D2-25 cm Passive Subwoofer with 2500 Watt (RMS: 1200 Watt) : Amazon.de: Electronics & Photo
PHONOCAR Evolution 250mm 600W Auto-Subwoofer passiv 260mm 600W : Amazon.it: Elettronica
Amazon.com: Parts Express Powered Dayton Audio Reference 12" Subwoofer Kit with Dual Passive Radiators & 500 Watt DSP Plate Amp : Electronics
Renkforce Bass BP1 Passive Car Subwoofer 200W : Amazon.de: Electronics & Photo
Amazon.com: AUDIO SOURCE AS8SW 100 watt Passive In-Wall Subwoofer (8.0") (8.75" cutout dimension) (Discontinued by Manufacturer) : Electronics
Audio System US08 Passive Passive Passive Underseat Underseat Subwoofer 400 Watt : Amazon.co.uk: Electronics & Photo
