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 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
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Amazon.com: Alpine Type R 12 Inch 2250 Watt Max 2 Ohm Round Car Audio Subwoofer (2 Pack) : Electronics
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Amazon.com: Alpine R-W12D4 Car Audio Type R Dual 4 Ohm 1500 Watt 12" Subwoofers with Sub Install Kit Package : Electronics
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