12" W3v3 Series Subwoofer. One (1) JL Audio 12W3v3-4 12" W3v3 Series 4-Ohm Car Audio Subwoofer. Mineral-filled polypropylene cone woofer. Impedance: Single 4 Ohm. JL Audio 12TW3-D8 12" TW3 Thin-Line Series Dual 8-Ohm Shallow Subwoofer NEW.
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