Great sub with truly great sounding bass!

None

I have 2 Perfects running off a RF 800a4 and it is amazing. These subs have great sq and can get really loud. They are worth every penny of the price you pay for them.

Excellent clean Bass

Single Voice coil :o(

I was in love with this sub. I had 2 in my ford ranger, and i loved every minute they were in there. Loud, defined, and clean. Never distorted and kept clean even at the highest volume levels. I got em cheap too, 165 bucks through an online company. But why do i refer to them in past tense u ask? because I discovered Eclipse subs :o)

Very Musical, fast, clean bass output, long throw over an inch of linear throw, built to play flat in the car, fits in a small sealed box.

None, State of the art bass sound

Sounds best in a 1.5 cubic ft or larger sealed box, this is a hard subwoofer to beat. Put two in your car and you have sonic bliss !!!!!!

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to many to list

My brother has two 12" Infinity Perfect 12s and I have 2 JL Audio 12W0s...let me tell you how badly the Infinity's beat the JLs. I have always respected the JLs as the best at the game. However, when I heard these..I was leveled. I still respect the JLs however, because of the price. 300 dollars compared to 120 is quite a stretch. If I had the room, I would rather spend the multiple sub money on JLs than getting two Infinities. I have a feeling it wouldn't be quite as clear, but the bass would be incredible. Check the comps out on crutchfield and the likes.

The loudest,clearest, and overall best woofers I have ever heard.

No such thing.

I hae 4 12" Infinity Kappa Perfects and I have a very powerful amp. I blew the windows out of my car during a competition with a kid from my school. Needless to say I smoked his 4 12" JL Audio W6's. It was well worth it. Buy them.

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None.

These speakers are awesome they play clean and they do it loud.

The only thing I didnt like about my perfects was the fact that infinity had the RMS rating at only 350w Im running 500 to two 12"s and they wail. I heard 600w on a pair of 12"s at a comp and they were insanely loud my car is a daily driver. They take 500w all day and all night long I love these subs

Nothing fore mentioned compares these subs wail with the right amount of wattage. I couldnt believe how much louder and better sounding they got with 500-600w. I would recommend this speaker to anyone who wants to have a great sounding system, and still be able to embaress the rattle box next to you at the light. Very good excursion (they love to dance) very good dynamic range very clean looking very clean sounding all around good sub. I just wish I would have waited a year and got them for half the price I paid then.

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PYLE (my first subs gimma a break), Boston Pros, MTX 8000's, PPI, RF power series, JL W0-6

The sub greatest strength is the clarity, instead of just a rumbling muffled roar of noisy crap, you hear beats and drums. Right when you hear the sq on these, you can understand why everyone says it's a quality sub. If you push 500+ watts to it, the perfect will easily hit harder, lower and clearer than almost most any other 12 on the market.

This is the most perfect sub I have ever had, the only weakness might be the price. If you look on ebay though, you can get a new one fairly cheap.

This baby is all about quality, what's the point of having a pounding rattling system if it sounds like just noise. The perfect is loud, and bueatiful. It does not just make noise, it makes music.

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I had two 15's and they were just loud and rumbly and muffled, now I have one 12 with 500 watts running to it and it's just as loud as the 2 15's, but far clearer and a lot more enjoyable.

power, looks, hard to make distort, small enclosure.

The only weakness is that I had to buy a new box.

These subs hit hard. I had two 10 inch rockford punch dvc, and these not only out hit them they sounded much cleaner. I have them bridged to an 800sx profile amp (which I hope to upgrade possibly to an infinity beta digital), and they take every ounce of power that it can push out. These are awesome subs, they even blew the back board off my 3/4 inch thick box that I was using for my rockfords. But not only do these subs perform great they look great too.

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Rockford punch dvc the rockfords don't even compare.

These subs are sikkkkkkkkkkkkkkkkkkkkkkkk. They put out massive stereo if you have them setup right. If you think these subs suck, obviously your one of those people who want bass but have no idea how to produce it. Any sub, even an eclipse titanium would sound like s**t if you have some gross amp or box running them.

I put a tiny dent in the aluminum cone from it hitting my seat. That was because these things have a 14 mm xmax...hot ish

I have two of these subs behind my seat in a toyota std cab being pushed off of an mtx 1000d model amp. I didnt think they would fit, but special boxes were designed to make em fit. Perfect's are amazing. When i feel like really turning it up my neighbor has came down to warn me twice about calling the cops for noise pollution, this neighbor lives 4 blocks away. this is not a joke either, trust me these are that good. If you want the best sub in its class (mtx 8000, jl 12w6, rf hx2's, solo-barics) this is the one that outputs them all in every category. The Only sub that is raved about more is the eclipse titanium's and perfect's are only one step behind them. I might also add that they cost much less. If you are serious about what you bump, pick these subs up. Do not buy them anywhere other than online unless you want to pay twice the amount.

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solo-baric d model 12's. perfects put solo's on their death bed...even the new solo squares won't keep up with the currency these run.

-sounds great when pushing it to the max

NOTHING, in less you don't like white subwoofers

These speakers are awesome. I could not just buy one. I just had to buy two of them. I have the Alpine MRV-T1507 amp giving them 450 watts each. And my god they hit hard. I have heard alot of subwoofers like the old JBL GTIs. And these infinity perfects just blow them away. All you really need is to put like over 300 watts and they will sound awesome. Just the other day I was playing them and one of them blew out my box LOL.

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The only subwoofer that can beat it is those new JBL GTIs (but, those are like 1,000 dollars a piece