I have the kappa 60.7, and I like the way they sound, but be warned, if you don't like powerful(metallic, extra crisp) tweeters, then these are not for you. I like very powerful tweeters, and these Infinitys are right up my alley. The 2ohm is great as it allows my amps to produce full power to them(111watts to the mids, and 30 watts to the tweets, which is more than enough, they're rated for 50watts). The extra power really brings the system to life, and i can safely say that the Infiitys don't distort at all, even with a low cross over setting of 60 hz for the mids, and 3500hz for the tweets, and very loud (30/35) on my Alpine deck. Everything is all active with 24db slopes. I've even experimented with the tweeters down to 1000 hz and a 30 db slope, but I'll admit I was not comfortable with it that low, even though it did sound nice. I was afraid of frying them!! Anyway, I suggest you take a listen to them before you buy, you might like them.

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2004 300M SPECIAL
Alpine CDA 9833
Alpine Pxa-h701
Alpine Rux-c701
Rockford fosgate p400-4
Rockford fosgate p4004
Hifonics BX 1205D
JBL c608 GTi
JBL p963
Infinity 2.5" center channel
Alpine type R 12"(2)
200 amp alternator
yellow top battery
0 awg power and ground (welding cable) 300 amp anl fuse
all active SQL set up with 2000 watts rms