i have heard the t-1's + the p3's....the t1's arw WAY LOUD, but lack a little in sound quality....the p3's made me take my type R's out + put in two 12" p3's in a ported encloser,....u can't understand how much i hate to have mainstream aquipment...especially fosgate, but wut can i say.........they prooved me wronge......they get MUCH LOUDER than the P3's, and can't tell any difference in SQ...if u can afford the difference, it is definately worth it.....i ahte than mine got stolen ! //content.invisioncic.com/y282845/emoticons/crying.gif.ec0ebefe590df0251476573bc49e46d8.gif ......nowplanning a new system.....prolly four crossfire 12"'s //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif