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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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How to make a JBL 12 inch Subwoofer- BOX design | Subwoofer box design, 12 inch subwoofer box, Subwoofer box
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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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