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Alpine SWG-1244 12″ (30cm) Subwoofer (4Ohm) Features Peak Power: 800W RMS Power: 250W Frequency Response: 28Hz - 1kHz Sensitivity: 89.8dB/W (1m) Installation Diameter: 282mm Depth: 172mm | The Racers Edge
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Amazon.com: Universal Car Stereo Vented Port Single 12" Alpine S-W12D4 Type S Car Audio Subwoofer Custom Sub Box Enclosure Package New Without Amp : Electronics
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Alpine R-SB12V Pre-Loaded R-Series 12-inch Subwoofer Enclosure, S-A60M 600 Watt Mono Amplifier, and Wiring Kit - Creative Audio
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