just got 2 out of my 4 12's in today. hifonics HFI12d4. www.onlinecarstereo.com 35 bucks a pop, 300rms/600peak. rubber surrounds, steel chromoed baskets, dual 4ohm voice coils. just got em in and hooked up to a temperary amp at 150 each til i get my other 2 and order the 2 1000w mono amps. for 150w to each its nice. got em in a jeep xj. went to friends shop to check out the TL and hit 138s at headrest. not bad for 70 bucks in subs and a crappy crunch 4 channel amp.