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)
Alpine Type R 12 inch subwoofer Review - Alpine SWR-12D2
Alpine SWR-12D2 - 12" DVC Type R Subwoofer - Signature Car Sound