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Amazon.com: KICKER TRTP 12-inch (30cm) Thin Down Firing Subwoofer and Passive Radiator Enclosure, 2-Ohm, RoHS Compliant : Electronics
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Amazon.com: OSD 8" in Wall Subwoofer 150W Easy Install, Paintable Grill IWS8 : Electronics
KICKER 47TRTP122 Down-Firing 12" 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
Amazon.com: KICKER CompC Single 10 Inch 500 Watt Max Dual Coil 4 Ohm Car Subwoofer (2 Pack) : Electronics
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Amazon.com: Earthquake Sound SLAPS-M10 10-inch Passive Radiator for Home and Mobile Audio Subwoofer Enclosures : Everything Else
KICKER 47TRTP122 Down-Firing 12" CompRT 2-Ohm Enclosure : Electronics
