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Alpine 10 Inch Type-R Subwoofer (R-W10D4/D2) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek
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Amazon.com: Alpine ALP19-R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 1500W Peak 12" Subwoofer : Electronics
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