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Amazon.com: JBL GT-12BP Passive 1200W 12 GT Series 4-Ohm Loaded Ported Bandpass Subwoofer Enclosure with Red LED Illumination with Gravity Magnet Phone Holder Bundle : Electronics
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Mono subwoofer Amplifier with Passive 12" GT Series Loaded Ported Bandpass Subwoofer Enclosure and 8 Gauge Wiring Kit - Walmart.com
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CS1214 | 30 cm (12 inch) subwoofer, with double magnet suitable for enclosed, bass reflex and bandpass boxes
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