Speaker Placement 201, Part Two: Using Subwoofers -
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Amazon.com: Rockville RV12.2B 1200W Dual 12" Car Subwoofer Enclosure+Mono Amplifier+Amp Kit : Electronics
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Memphis Audio MJM644 (Dual 4-ohm voice coils) MOJO Series 6-1/2" component subwoofer at Crutchfield
KICKER CS Series 6-1/2" 2-Way Car Speakers with Polypropylene Cones (Pair) Yellow/Black 46CSC654 - Best Buy
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Parallel Wiring Single 2 ohm Subwoofers to a Single 1 ohm Final Impedance - Sonic Electronix Learning Center and Blog
Bose 3-2-1 321 Series II Subwoofer Only | eBay
Punch 12" P1 2-Ohm SVC Subwoofer | Rockford Fosgate ®
