Why RMS?

They're just blabbering, because they know suckers on forums such as this one won't know otherwise.
an easy way to give you an idea of what an amplifier can produce is by looking at their fuse ratings. multiply it by 10 and you will get a decent idea. if it says it is 1500w and has 80a fuse, then is bs. many dont understand. the true formula is (amps) x ( voltage) x (efficiency) so if your car voltage is at 13.8v and the amp has fuse rating of 100a and efficiency is %85 the best your going to get is 1173w and that would be a excellent amp. lol. because usually your amp will have higher fuse rating than actuall current draw.
I have see this to be non accurate, but close

My old PDX 1.000 was rated @ 80A Fuse.

Did close to 1200 RMS, (but it did blow fuses when I would crank it)

So I replaced 4 X 20A to 4 X 30A

Also, say an amp like the PA 5500D (rated @ 3200 RMS @ 1 ohm @ 14.4 volt)

Benched @ 2074 RMS @ 1 ohm @ 14.4

Fuse rating = 150A....

 
you have a sub that is 1000w rms and a amp that is 1000rms. Bullshit. they way companies test there products are at totally different frequencies that what you listen to normally. This gives them the ability to say the push 1000w rms. this rms rating is ran at a much higher hertz probally around 80 to 100hz. most subs enthusiasts like the clean sound of a 40hz tune. they way u can tell how good the sub is is to look at the magnet, flex range, and depth of the sub. the bigger the more powerful. (most of the time anyways) when u look to buy a rms amp look at the fuses on the side of the amp. this is the most important thing that many people don't know because they are stupid. AND WALMART LIES!!! This is the real way how to tell what rms you amp is. look at the fuses on the side of the amp. add them up and times them by how many volts you are running. So lets say that you have no secondary battery, you are probally running around 12volts average. if the fuses on the side of the amp add up to 80 (keep in mind there may only be one fuse) take 80X12=960 THIS IS YOU TURE MAX POWER BUT NOT YOUR AVERAGE RMS. to get your rms just take 75% of the 960, this gives you your amp efficiency. so again 75% of 960watts = 720 AND THIS IS YOU RMS.

back to the actual question its as simple as this. dont ever buy walmart quaility junk. always have an amp that will overpower your sub. this allows less strain on you car electrical system. learn how to wire you subs to certain ohms, so you can get the most out of you sub and amp. if you do this CLIPPING will never be an issue. AND I HOPE SOME RETARDS AT BEST BUY DIDNT TELL YOU TO DO THAT. TAKE YOU SHIT TO A REAL CAR AUDIO SHOP AND STOP LISTENING TO WHOEVER TOLD YOU THAT.
Wowzers

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I don't know WHAT to make of that jibberish.

It makes me...

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Should we also spill the beans and tell them that the avg radiating driver wastes at least 95% of that as heat?
Knowing this, what about RMS speaker ratings?

Amplifier efficiency?

Power compression?

Lack of a proper baffle, install mistakes, or off axis listening effects?

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Next comes worrying about what label/pressing the recording is, whether or not the DAC is up to snuff, you stop calling them "RCAs" and start calling them "interconnects", and...oh hell, it's downhill from there.

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Next comes worrying about what label/pressing the recording is, whether or not the DAC is up to snuff, you stop calling them "RCAs" and start calling them "interconnects", and...oh hell, it's downhill from there.
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Patch cords!!!!!! //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 
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