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ESX QXE-12D2 Quantum Woofer 30 CM (12”) Subwoofer 2000 Watt New 4251476402812 | eBay
 Subwoofer Zeus Woofer 1000 Watt | eBay")
Hifonics ZXS12D2 30 CM (12 ") Subwoofer Zeus Woofer 1000 Watt | eBay
Focal 12" Single Coil Subwoofer - 30 A4
SOUNDSTORM CG8D 8 In 800W 4 Ohm Dual Voice Coil Car Audio Stereo Subwoofer - Walmart.com
Amazon.com: Gladen Rs Audio Line 12 Subwoofer 30 Cm : Electronics
Pioneer GXT-3730B Car subwoofer enclosure 30 cm 1400 W 4 Ω | Conrad.com
Ground Zero GZNW 30SPL-D2 30 cm / 12″ high performance SPL subwoofer
Car Subwoofer 12” 30 Cm Jvc Cw-dr120 Automobiles Electronics Audio Subwoofers - Subwoofers - AliExpress
Focal Sub 12 12" Subwoofer, Single 4-ohm, 300 W Rms - 600 W Max : Target
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Morel ULTIMO TI SC124 300 MM High End Subwoofer 30cm 600 Watt | eBay
GROUND ZERO GZRW 12XSPL 30 cm / 12″ SPL subwoofer
DLS W312D Subwoofer 30 cm
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SP 12CXXX SUBWOOFER 12"/30CM 2800W RMS (UNIT PRICE) – spaudio
DIGITAL DESIGNS RL-PSW12-D2 Subwoofer 30 cm 2+2 ohm
Ground Zero GZNW 30SPL-D1 30 cm / 12″ high performance SPL subwoofer – Droppin HZ Car Audio
Kicker Comp 12" (30cm) Subwoofer in Down Firing Encl, 4-Ohm; RoHS Compliant | electronicsexpo.com
 6000 Watt Zxt (Extreme) | eBay")