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4 level 3 15s or 1 level 5 15

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So i trying to decide what to do ive already got (2) level 3 15s and i wanted to get some more so what would be louder (4) level 3 15s or 1 level 5 15/18 it depends on if i van get a box for an 18 or not but the thing is ive got a really REALLY small amp it only 1200rms so each level 3 would only be getting 300rms as the level 5'wouod be getting 1200 so i dont know what to do here

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Well a level 5 15 is going to want 3500 rms. That 1200 will not do much to it. Your level 3's are 900 rms. to be honest I would get a bigger amp first and go from there. You can go either way but you wont be powering either set up like they want either way. Just a thought. And what are you giving the two level 3 15' now? 600 a piece? If so upgrade your amp. Make sure your electrical is upgraded also. If its stock your pushing your limit at 1200 watts.


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If you have room for 2 15" subs, you should have enough room for an 18" .

But on the same power you'll be louder if you have more cone area and a good efficient box to compensate the lack of power.

Don't focus on power, but 1200 is not a lot for a level 5 ! :););)

My 2cts !

black BMW X1 2.0 l 192 hp

OEM head unit, Amplifiers Audison AP 8.9 amp with integrated DSP and Ampere Audio 1200.

Focal ES 100 K in front doors, and Dayton RS 180 for midbass under the front seats.

2 SSA DEMONS 10" subs, in a 2.6 ft3  ported box. SecondSkin Damplifier on front doors, and Luxury Liner Pro for the cargo area.


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Theoretically speaking the lvl 3s would be louder an have around about the same power ratings as 1 lvl 5. Cone area an motor force .. Well I've never had a lvl 5 but logic stepping in tells me 4 lvl 3 Motors should have more motor force or about equal to the 5 . But you would would defiantly win the come area battle.. Lookin into. Gettin a good 5k amp for whatever setup you choose

he wouldnt be the first to say they did a 167 with a system like that (one that clearly DOESNT), but i have to say, he didnt beat me anywhere, ive never competed against the guy. If he thinks his does a 167, mine would probably put him in a coma. :hairtrick:

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no vs threads please.


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A Real Voltmeter not a piece of shit stinger.

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