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Amazon.com: Pioneer TS-SW3001S4 12-Inch Shallow Step Up S4 Subwoofer (Discontinued by Manufacturer) : Everything Else
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TS-SW3002S4 - 12" - 500w Max Power, Single 4Ω Voice Coil, Mica-reinforced IMPP woofer- Shallow-Mount Subwoofer | Pioneer Electronics USA
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