Alpine SWR1242D / SWR-1242D / SWR-1242D 12 DVC Car Subwoofer
i've been around sound systems all my life i've hear it all from good loud to bad loud   different makes and models and when i bud the type r swr 1242d i was blown out out   i made a project sound car and i was looking for a brand so i when alpine the car has   about $1500 in it bud it sound like a $5000 thanks to the swr they are my favor subs   clean loud and powerful and shakes the hole car