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)
![Amazon.com: Alpine ALP19-R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 1500W Peak 12" Subwoofer : Electronics Amazon.com: Alpine ALP19-R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 1500W Peak 12" Subwoofer : Electronics](https://m.media-amazon.com/images/I/71DLrl1tTJL._AC_UF350,350_QL80_.jpg)
Amazon.com: Alpine ALP19-R-W12D4 Car Audio Type R Series Sub Dual 4 Ohm 1500W Peak 12" Subwoofer : Electronics
![ALPINE RS-SB12 12” HALO 1800w Shallow Slim Loaded Subwoofer in Sub Box Enclosure for sale online | eBay ALPINE RS-SB12 12” HALO 1800w Shallow Slim Loaded Subwoofer in Sub Box Enclosure for sale online | eBay](https://i.ebayimg.com/images/g/kk8AAOSwUBxklgWD/s-l1600.jpg)