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Amazon.com: Focal Pair SUB P25 10" 200W RMS 400W Max Single 4-Ohm Subwoofer : Electronics
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Amazon.com: Rockville DK58 PACKAGE Dual 8" 1600w Loaded K5 Car Subwoofer Enclosure+DB11 Amp, Black : Electronics
Amazon.com: MTX TN10-04 Audio A10 inch 300 Watt Car Audio 84.9 dB 4 OHM Single Voice Coil Subwoofer (2 Pack) : Everything Else
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Amazon.com: Pyle 8 Inch Car Midbass Woofer - 360 Watt High Powered Car Audio Sound Component Speaker System w/High-Temperature Kapton Voice Coil, 200Hz-5kHz Frequency, 94 dB, 8 Ohm, 35 oz Magnet - PDMR8 : Electronics
Amazon.com: DB Bass Inferno BIW2 12S4 Single Voice Coil Subwoofer : Electronics
Amazon.com: MTX TN10-04 Audio 10 inch 300 Watt Car Audio 84.9 dB 4 OHM Single Voice Coil Subwoofer (4 Pack) : Electronics