If you want loud and nasty go vented. I know alot of SPLers been using aeroports lately with very good results. If you want nice and clean sound drop the L5 lol. I just can't seem to get my L5 to sound clean. Maybe I'm just used to the W7s

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MECA SQ JL AUDIO 500/1, 300/4, 3-10w1v2, XR650-CSI, Kenwood DDX-6019 , Alpine amp and JL TR400CX center channel , 300 lbs of Dynamat.