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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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Alpine 12” Type R-Series Powered Ported Bass Package Includes one Alpine R-W12D4 12” subwoofer, R-A75M amplifier, and 2.25 ft³ optimized ported enclosure
AM Amplitude Audio - Subwoofer 12 " alpine type R 500w rms double voice coils de 2 ohms dans une boite porter SBL 140$ 450 675 4117 | Facebook
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FS : Mint 2 x 12" Alpine Type R subs with ported box - 1000W RMS - Car Audio Forumz - The #1 Car Audio Forum
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Amazon.com: Alpine MRV-M500 Amplificador y un R-W12D4 R-Series 12 pulgadas Dual 4 Ohm Subwoofer - Incluye kit de cables : Electrónica
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Great Power !! Deep Bass !! Alpine SWR-1242D + FIERCE FPS112.1 For 12 Inch 30 Cm Woofer Box Enclosure Set | Sub Woofer with BOX | Croooober
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