It gives out some really raw power. I am using it to run 2 MTX 8000 12's and it pushes them just fine and probably with a little left over.

I am running 4 guage power wire and am using my normal car battery and alt. along with a PG circuit breaker and a Strike cap. When i but on like a Bass Mekanick cd and I am not moving but just letting thee car run, I blow the fuses on-board the amp.

I would recomend this amp to any one who needs some good clean power to any pair of subs. I think that there are many other good amps out there too. Most of these reviews are just opinions from people, but the real test is whether or not you like how it sounds. If the question were to come down to me again to get this amp, I think that I WOULD, but maybe not for that price.

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I have an MTX 250x to power my highs and I really like it it does a great job. I am a big audiphile person and I think that I have heard many of the best amps on the market.

Open and present sound Q,needed 3- 35amp fuses,would blow the 3- 30amp it came with on low freq,but it hammered the other 2 class D amps I compared it to into DUST.
I also noticed the ZR 600 had incredible control to the bass,though not as loud on the meter as an MTX 1000D we compared it to, the ZR 600 actually sounded LOUDER because,as far as I can tell,the control on the woofers was far superior, and definitely better sounding.
This amp HITS!!, sounds open,clean,alive, and looks wicked! - Two ENTHUSIASTIC thumbs up!

Not a small amp,a bit inconvenient to find mounting area for.
- Should come with 3-35 amp fuses

!-At a 4 ohm load(~3.6 ohms) on the Kicker,and on 2 L7 12",the ZR 600 hit 151.3dB,the crossFIRE! 600d hit 146+dB,the crossFIRE! 1000d hit 148.7dB(both 'FIRE! d amps were at 1 ohm,all four 2 ohm voice coils paralleled, plus box impedence rise at 56hz = ~.9 ohms total)and the MTX 2300 we also compared hit 150.7 at 4 ohms.
The price is no 'giveaway', but it solidifies the old addage - "You Get What You Pay For", and I believe I definitely did!
For the buyer who wants to get a ton for his/her $$$,this amp might be a little too pricey,look to the ZR 360 instead, but for the non-compromising listener who also needs serious 'balls' on the low end,this amp will not disappoint and will murder others in it's power rating class!
And for the 'price-is-no-object' buyer, there is always the Kicker ZR 1000!!

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MTX 2300, close, but not quite up with kicker
crossFIRE! 1000,much weaker
crossFIRE! 600d,much, much weaker

STRONG AMP, DOESNT OVER HEAT OR SHUT DOWN LIKE SOME I'VE HAD! I SELL THESE FOR A LIVIN AS WELL AS OTHER AMPS ETC AND KICKER SEEMS TO BE THE MOST POPULAR BRAND OF CAR AUDIO

NOT MANY PEEPS CAN AFFORD ONE, BUT WORTH EVERY PENNY

WOULD RECOMMEND, VERY CLEAN SOUND, VERY POWERFUL! NOTHING MAN MADE IS
PERFECT, BUT THIS IS AS CLOSE AS YOU CAN GET

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WE OFFER OTHER BRANDS, I LIKE KICKER

All out balls power!!!

You'll need to feed it power... If not it'll destroy your altenator...

i paid $999 for the beast... I would recommend it to anyone who wants all out, raw, balls power... i have a 96 chevy with dual batteries and it still dimms my lights... now my batteries are shot and i have to buy new ones... and thats only at 2 ohms and i haven't driven it down two 1 ohm mono yet...

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ZR360 blows the 360 out of the water and i haven't yet reach half the total power output...

Great raw power. Powering 2 s12d 8ohm solos. I've used this amp for nearly 3 years now with only 1 problem.

Died after a year, but the warranty department was very prompt on getting the amp repaired and shipped back to me. No problems since

Great product. I paid $675. Would recommend to anyone.

Raw, unlimited power. Great flexibility. Crossover makes life easy

Early ones had a high suicide rate

This is a fantastic amp. Mine benched at 871 watts RMS bridged into 4 ohms. That's a whole lot of power. The sound quality is great, and there is no noise. The amp looks as tough as it works and the internal components are well laid out. I'm using it to power two 12" Oz Audio 250L subs, and in my firebird I got 141.1 dB when my 100 amp breaker tripped. That's some serious spl considering the system was tuned for sound quality, and spl was never a major consideration when buying the amp. Anyway, it decided to comit suicide about 3 months after I owned it. One of the FETs failed. This was a fairly common problem on the early ZR amps, but since it was repaired I had no further problems. When it failed, the fuses on the case did not blow and 12 volts shot up my RCAs and smoked the output of my deck as well. Since I have not seen this happen to any since mine, I'll assume that the problem has been corrected and therefore I won't take a star away. Fantastic product.

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virtually all. 3 years in retail and MECP certified

The ZR series amps have been a great addition to my system. These are very strong amps with quite a bit of headroom. They have some great dynamics, and I am using them on both my subs and mids/highs. I stronly recommend the ZR series amps, especially the ZR600 & ZR1000.