small but powerfull sounds great runs off a small 80amp fuze

not much at all a little pricey that all but if you got money it dont matter

I loved this amp it was small but was very powerfull.I had this amp pushing several different subs.First I blew my solar baric L5.Then bought a cyrstal compX2 15'' that pounded very well for a few months till the lineing on the edge started peeling.Now I have two oz audio matrix 12''dual4 that sound great with this amp they powered all those woofers very nicely great great amp!!!

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rockford 1500bd

Great sound quality,power,price. Very low power requirments....very very cool running amp. All around the best amp i've used.

NONE....have yet to find somthing bad about these amps

I have 2 of these that i bought for $285 each. I have them bridged with the PM-1 module to 3 Elemental Designs e15k's. These amps are just amazing. The power and sound quality is right there....and i only have them maybe 1/4 of gain. You can't go wrong with these amps

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Earthquake D3, Crossfire 1000d, Pioneer GM-H200

Very clear and loud bass. Gain control is nice. Very small in size and has the clear bottom so you see what your paying for and this is by far the best amp ever made.

none

This is an awesome amp. I used to have a Z5000 running my two 12" wild beasts and that thing just couldn't get the job done. After that I bought a A5+HC and that was only 600 watts. I just bought this A7+HC and everytime i get out of my car my ears ring! I haven't hit any competitions yet but I am planning on it sometime soon.

d**n powerful, small in size, low power requirements 80Amps, never gets hot, just warm

none

What can I say, This is by far the best amp i've ever had, this thing is amazing, it's blown both my cadence beasts 12", so now have it running two Audiobahn AW1200Q 12", and d**n are they load. I had to replace my rear view mirror and also had re screw some engine parts of my vw golf. I used to have a rockford 1000 rms, which does not compare, I pushed out 152.6db with this. I will never change this, I don't need anything else. I showed the amp to my friends and they laughed, then they sat in the car and cranked up the volume, they were crying for mercy.

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non that I've had compare

Small in size compared to a lot of high powered amps. Only requires an 80a fuse. Very Very efficient. Has a sub sonic filter. Plexi bottom for viewing the components and board, very nice looking I may add. Two amp can be combined to to get 2400w at 2ohms.

None.

It is by far the best amp I have even owned. I just started competing seriously and it is an awsome amp for it. I have it pushing a single 15" Adire Audio Brahma and they are a perfect match. My highest score so far is 146.2dB. Not only does it produce powerful sound but it does it while maintaining amazing sound quality.

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Had two old power hungry fosgate punch 200ix's that did about 700w each...of distorted power.

GREAT amount of Power WINS lots of trophies!!

I need a bigger trophy rack :) Cops watch my vehicle night and day

This amp is great for SPL competitions so far I have won first in my class everytime in 0-150 Stock I hit a 153.6!!! 2.4 Decibels away from beating the WORLD RECORD I HIGHLY RECOMMEND this AMP. CADENCE + KICKER = # 1

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ROCkford Fosgate 700s/ 1500bd. Cadence Amps Own them all! Their way ahead of the game

Very Small, It isnt TWO FEET LONG! Sounds great, puts out a lot of power, and very efficent.

The bass remote is a gain remote. Good to turn down when you see cops.

Hey this is an awesome amp, Buy it if you have the money. Other 1400 watt amps wouldnt be able to fit under your SEAT! I have this running to 3 Cadence Beast at 1 ohm...its freakin loud!

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n/A

Phase inverter, built in crossover and the subsonic filter. Which work very well, having no need to buy extra signal prossesors. the greate amount of power that it delivers, and the fact that you can buy one for a realativly low price. If you know where to go.

A small bearly noticable click when it turns on and also the power imputs and the speaker outputs could have been built a little better. the screws tend to wear when you mess with them a lot. But mabey thats only my problem.

This amp is the last bass amp i will ever own. I recommend the A7+HC to anyone who is looking hit a 1 ohm load as hard as it can be hit. I have two of these amps,they are being helped by two lightning audio 1 farad caps and pushing four Eclipse 88120 aluminum 12 inchers. The sound is very clean and clear. the bass notes are tight and accurate. A result of the huge power of the amps. As for cosmetics, the two "power plants" look great with a heavy coat of dark gray hammertone paint and are not as big in size as other amplifiers capable of 1200 watts rms (PPI, Rockford and so on)

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Crossfire 1000D

- Powerfull amp - No necessary big power supply - Never heat's up, never stop playing... - High quality audio and BASS output

None or maybe an heart attack!!!

This amplifier is something really amazing. Everything you've dream'd you can find in the A7+HC. Lot's of RMS Watts to deliver. My amp are running 2 (two) Kicker Solobaric L7 15" subs wired in parallel to give me 1 Ohm load, and my amp are delivering terrific 1536 Watts RMS, measured with special equipment... Just awesome.... Buy it with out doubt's.... Just be sure to give a good power supply, like 90A battery and you'll have a cool system...

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Kicker IX405D - The Class "D" of this amp really rock's, but it doesn't even get 10% closer to what this Cadence amp gives...

Dosen't use much power to put out a lot of power.

None in over the couple years I had them. Sold them for almost what I paid for them 2 years ago.

Great amp for the money. Very efficient design. Never gets more than mildly warm. I had 4, using them on every thing from 10's to 18's. One powered my friends 4 15" JL W0's and blew them so he got 2 15" W3's and it toasted those as well.