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what are u wanting it to do.... just drive your car speakers, just drive a sub or a combination of both, do u want 1,2,3,4 or five channels??? I'm going for a alpine v12 700w digital amp - don't know the model no. it's two channels but that's all i need to run the 12" alpine sub that going with it - sorry i couldn't be more help

by the way... the amp retails for $399 from autobarn not to bad for a alpine amp, + u should be able to haggle a bit more of that as well, add a $200+ sub to it and u'll be kicking it up :-)

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what jaycay 5 channel amp??? neways check out the group purchase of the response 4x100wrms amps in this forum. They are the shit and we are getting them for just over 3 hundred bucks with a 1 year warranty but you must be quick. they normally retail for $449 if you buy 1. they can go:

4x100wrms, 2x100wrms + 1x300wrms, or 2x300wrms

they are wicked and i think best value for money. my mate ran 2 cervin vager 400wrms subs in a ported custom box of this one amp and when he pulled into my driveway the pictures on the walls moved... so think about it.

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Have to be bridgeable amp - not all of them are compatible to be bridged properly. Not sure the exactly electronics behind it but that is why many are labelled as "bridgeable" and some aren't.

My 2x75rms into 1x150rms sounds fine for my sub..

If u just want to run a sub.. and not lose 2x channels in your other amp... you're probably best just getting a powerful monoblock.. You can push a lot more through the one channel at a cheaper price than bridging.

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A "mono block" or just "mono amp" is pretty much what it says.. just runs the one channel.. which is dedicated for one purpose: running a sub (or two or three, etc) .

Looking at I guess $200 - $800 for one depending on the brand.

It can maybe end up a bit cheaper as you can probably get away with a smaller amp for your other speakers... as subs need comparitively greater power to achieve decent volume.

e.g. a 300 Watt (RMS) sub probably won't kill you at full volume.. 300 Watt "standard" speakers at full volume is ****ING loud :D

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so what you are saying is that its best to run to amps if intending to run a sub, yes/no. if yes is the case, may this be a problem if i only have 2 re outputs on my h/u or does it not have to reply on it. having said that, can i run a second amp say 2 channels to my 4 channel amp in which there are 2 channels free on the 4 channel then just use the additional amp to run the subs. confusing? impossible?

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  • 3 weeks later...

i just went to Jaycar and they are selling their monoblock 130w rms mono subamp for $140, reduced from $169, but the actual amp must be mount into a cavity on the sub-box,not a direct bolt on. This is good if you are custom building a sub box and want to intergrate an amp into the cabinet. The sub amp has crossover adj., as well as some other features, but i havent heard it yet, or read any reviews..... looks ok though

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