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Alpine KTA-200M Mono Power Pack Amp with Alpine SWT-12S4 12" Loaded Tube Subwoofer and Bass Knob - Creative Audio
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Amazon.com: Alpine SWT-12S4 1500W Max (300W RMS) Single 12" Sealed Subwoofer Tube Enclosure : Electronics
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Amazon.com: Alpine SWT-12S4 1500W Max (300W RMS) Single 12" Sealed Subwoofer Tube Enclosure : Electronics
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