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<blockquote data-quote="Buck" data-source="post: 8872840" data-attributes="member: 591582">I&#039;d make sure you have the biggest alt you can fit, that&#039;s a lot of power.&nbsp; Music has many impedance changes due to wide frequencies played that cause stresses on the amp, so having good 12v juice fed into the amp will help it deal with stresses better.&nbsp; So will having the proper box design for how you want to listen to your music.&nbsp; Bad box design with music can really cause amp and sub problems that translate into electrical and bandwidth/peak problems.What I would do first is figure out how much space you can use for your sub box, and figure out what&#039;s the best combo of woofers and sizes and all that&#039;ll fit inside of that box space to do what you want it to.&nbsp; Some subs may be better woofers overall but maybe don&#039;t fit properly, so I&#039;d figure out how much box space you have or want to give up before you decide on subs.If I had that much power and a hatch I&#039;d have no rear seats and the biggest upfiring box I could have that goes from the back of the rear seats to the back of the hatch.&nbsp; I&#039;ve had friends with 4 12&#039;s in hatches, like CRX&#039;s, so it depends on what kind of music you&#039;re listening to and how.&nbsp; You could wall 2 18&#039;s with that much power.&nbsp; Or you could do a single 12-15 or whatever, a couple of 10&#039;s.&nbsp; I think you might want to stick to 12&#039;s and above for musicality, because to make a 10 take that much power, I think it&#039;s gonna struggle maybe on the low end, maybe tend to, have stiff suspension and high Fs, where like a 12&quot; can have 4&quot; VC with big Mms that brings Fs way down when you get 2500-3000w+.</blockquote>

[QUOTE="Buck, post: 8872840, member: 591582"] I'd make sure you have the biggest alt you can fit, that's a lot of power. Music has many impedance changes due to wide frequencies played that cause stresses on the amp, so having good 12v juice fed into the amp will help it deal with stresses better. So will having the proper box design for how you want to listen to your music. Bad box design with music can really cause amp and sub problems that translate into electrical and bandwidth/peak problems. What I would do first is figure out how much space you can use for your sub box, and figure out what's the best combo of woofers and sizes and all that'll fit inside of that box space to do what you want it to. Some subs may be better woofers overall but maybe don't fit properly, so I'd figure out how much box space you have or want to give up before you decide on subs. If I had that much power and a hatch I'd have no rear seats and the biggest upfiring box I could have that goes from the back of the rear seats to the back of the hatch. I've had friends with 4 12's in hatches, like CRX's, so it depends on what kind of music you're listening to and how. You could wall 2 18's with that much power. Or you could do a single 12-15 or whatever, a couple of 10's. I think you might want to stick to 12's and above for musicality, because to make a 10 take that much power, I think it's gonna struggle maybe on the low end, maybe tend to, have stiff suspension and high Fs, where like a 12" can have 4" VC with big Mms that brings Fs way down when you get 2500-3000w+. [/QUOTE]

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