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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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JBL GT-BASSPRO12 - Superior 12 Inch Ported Powered Car Subwoofer - Amplified sub boxes - Online Car Audio & Stereo Store
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GT-BASSPRO12 | Subwoofer speaker with built-in 150W RMS amplifier with bass port for a surprising bass experience
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JBL GT Bass Pro 12 vs. Rockford Fosgate P300 12 - Battle of Powered Subwoofers - Decibel Results!! - YouTube
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