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Amazon.com: Alpine Type R 12 Inch 2250 Watt Max 2 Ohm Round Car Audio Subwoofer (2 Pack) : Electronics
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Amazon.com: Alpine SWT-S10 1200W Max (250W RMS) Single 10" Sealed Subwoofer. : Electronics
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Amazon.com: (2) Alpine W12S4 12" 1500 Watt Peak 500 Watt RMS 4-Ohm Car Audio Subwoofers Subs : Electronics
Amazon.com: Alpine S-W8D2 8" Dual 2-ohm Component Subwoofer : Electronics
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Amazon.com: 2) Alpine SWT-10S4 10" 350W RMS Shallow Slim Truck Car Subwoofers Subs+Amplifier : Electronics
