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Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
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Amazon.com: JBL S2-1224 - 12” Subwoofer with enclosure and SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black (S2-1224SS) : Electronics
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Amazon.com: JBL Club 1224 - 12” Subwoofer w/SSI™ (Selectable Smart Impedance) switch from 2 to 4 ohm, Black : Electronics
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Amazon.com: JBL S2-1224SS SERIES II 1100 WATTS 12 inch SELECTABLE 2 OR 4 OHM SUBWOOFER ENCLOSURE (Renewed), black and silver
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JBL S2-1224 Series II 12" component loudspeaker with switchable 2- or 4-ohm impedance at Crutchfield
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