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Harmony Audio Bundle HA-ML181 Competition SPL 18" Sub Subwoofer Bundle with HA-A1500.1 Amp & Install Kit - Walmart.com
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Amazon.com: SoundStream SPLX-122HXRK SPLX 12-Inch HX Series Subwoofer Voice Coil and Recone Kit Dual 2 Ohm : Electronics
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