2 Kicker Comp 15's or 1 Kicker L5 12?

L5 would definitely sound better and hits way harder then comps. But that's 30 inch against 12 or roughly 13 cause of it being square. But if you don't car about sound quality then maybe the comps not real sure. I have 1 10 inch L5 hitting right now with a 1000 watt pioneer class D amp. And people ask if I have 12's in my back seat. I can make my windshield wipers jump and my bed shake. I also have 3 8 inch L5's in a custom box underneath the seat but not hooked up right now. When all 4 hit you can't hardly breath. I do know I hooked my buddies 2 12 inch comps in my truck and they didn't hit harder then my 10. Not even close really and sounded like crap personally. Hope I helped.

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RE:

2 Kicker Comp 15's or 1 Kicker L5 12?

Question: Which would be louder?

2 Kicker Comp 15s @ 215RMS each

or

1 Kicker L5 12 @ 800RMS?

id get the one kicker L5 it will take uo les room in your trunk and the rms is higher which means those will hit much harder then the 15's. but with 15's u get a slightly clearer base noise and it hits the higher notes better then 12's

Get the L5 12", but put it in a box with plenty of airspace. Comps suck... At least the L5 will give you a little sound quality and excursion.

no not really 12 are perfect turn the amp up on the 12s 10s hits really hard 12s hit hard and deep rumble but dont hit as hard as 10s 15s rumble and hit hard but 12s are best of both i have 2 10s 800 watts to them and they sound good my buddy hass 2 12s with 924 watts and they sound good so it all in what u like i like 10 he like 12 i say keep ur 12s