FS: Alpine Type R 12" sub + JBL BP300.2 mono amp - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
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Alpine Halo R2-Series Dual 12" Voice Coil 4-Ohm Loaded Subwoofer Enclosure Black R2-SB12V - Best Buy
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2 Alpine Type-R R2-W12D2 12" Subwoofers + Qpower QBOMB12VL 12" Dual vented Box 793276084668 | eBay
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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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