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Amazon.com: Skar Audio SDR-15 D2 15" 1200 Watt Max Power Dual 2 Ohm Car Subwoofer : Electronics
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Amazon.com: Gravity WZ6000.1D 6000W Class D 1 Ohm Car Audio Amplifier, 1x Genuine Warzone GW15D2 12 Inch 3500 Watt Subwoofer and Complete 5000W 0 Gauge Amplifier Installation Kit : Electronics