Alpine SWR1242D / SWR-1242D / SWR-1242D 12 DVC Car Subwoofer
I was highly impressed with this subwoofer, as I am new to car audio and was looking for a good replacement for all the stock subwoofers. 1 of these outdoes the four 7 inch door subs my car came stock with. Sounds great, clean and crisp. Near impossible to bottom out, played at full volume.     Also has 2 inches of excursion if anyone is curious.