Question about Kicker ZX850.2 2-Channel Amp - 590W ZX Series 850W Bridged Mono Remote KickBass Car Audio Amplifier

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Kicker zx850.2 and two kicker s10l72

I don`t know if i`ve made the right decision of buying the two subs (kicker S10L72(2 ohm)) for my kicker zx850.2 amp.After I bought them I thought that if I wire them I can get either 4 ohm or 1 ohm loads on each chanel. Please give me some advice on how to wire them to get the best from my audio system and if it would have been better to get the 4 ohm subs. thanx

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Re: kicker zx850.2 and two kicker s10l72

Http:// , check this out. for that set up i would recommend either getting a mono amplifier or dual 4 ohm subs. hope that helps.

Posted on Jul 05, 2009

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SOURCE: Rockford Fosgate 800a2 To 2 SVC 2ohm subs

Ok.. Bridge the two sub into 4ohm than bridge to amp.

So. this how it goes.

sub1 + -
to      | |
sub2 - +
=      4ohm

           From Sub
            -          +  
            |           |
amp (L) - + (R)- +

This will use the full potiental of RF 800a2 amp. I believe it like 1153 watts max out.

Posted on May 29, 2008

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SOURCE: i have 2 kicker l7 12 dual voice coil subs.. i

it all depends on the impendance of your subs if u have duel 4ohm or duel 2ohm, 2 duel 4ohm speakers can be wired at 1ohm to the amp, and with a kx1200.1 that would be pushin 2400 peak and 1200rms
if ya have 2 duel 2ohm speaker than you can only wire them to 2ohm and would be pushing 1200 peak and 600 rms with the kx1200, so if you have the duel 4ohm i would go with the kx1200.1 and if u have the duel 2ohm i would go with the hifoncs

Posted on Jun 16, 2009

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My kicker amp zx1500.1 keep going in protection mode I unhooked the sub speak wires and put the ACR cords back in and it didn't go in protection mode what next

Check ohm reading of the speaker. Should read close to whatever the spec is (2 ohm, 4 ohm, 8 ohm) if you have multiple subs and no ohm meter then try connecting one at a time to the amp. Either you have a shorted sub, ohms are too low for the amp or you have an (least likely) amp problem tha y only shows up under a load.

Aug 01, 2016 | Kicker Car Amplifiers

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I have 2 10" Kicker Comp Subs

That amplifier is only rated at 150 watts at 4 ohms, or 300 watts at 2 ohms. Not a very strong amp to run 2 kicker comps. My guess is you have the subs wired wrong for your application. There are 2 types of subs, one is a dual 4 ohm, and one is a dual 2 ohm. Most people bridge these coils together and that cuts your ohms in half. For example. Lets say you have the 10cvr104 subs. Thats the dual 4 ohm sub. You wire the coils together in parallel, now its a 2 ohm sub. You have 2 of these subs running off of your amp, if they are hooked up in parallel, now you have a 1 ohm load, out of the amplifiers normal operation. Your amplifiers internals heat up really quick and there is a thermal overload, putting your amplifier into circuit protection mode. My suggestion for wiring your subs is as follows: for each speaker, wire the coils together like this- positive coil1 to negative coil 2 and negative coil 1 to positive coil 2. That is called running in series, and doubles your ohm load. Next, we need to wire the speakers together properly to hook up to your amplifier. For this, since the coils are hooked together, you only need to use one set of terminals from each sub. And take the positive from sub 1 and hook it to positive of amp. Take negative sub 1 and hook it to positive of sub 2. Take negative of sub 2 and hook it to negative of amp.

Aug 30, 2012 | Rockford Fosgate Punch 301M Car Audio...

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I have phase linear uv8, need to know how to get subs 2 work! Amp goes into protect mode when rca's r plugged in, there r 3 sets of preamp out puts 1 front left and front right, 2nd is rear left rear...

try testing the amp without speakers plugged in. Run the sub preamp out to the amp that you will drive the subs with, but don't wire up the subs yet. Test for protect mode kicking in.
Yes - unplug the rca ins from the amp. retest.
No - Problem lies within the sub wiring. What is the load on the amp (measure with an ohm meter)? If it is below 4ohms, chances are the amp can't dip that low. Give it more resistance by wiring it differently (series vs. parallel)


May 05, 2011 | Kicker Car Amplifiers

2 Answers

I want a reliable system.

if you bought that equipment today then your answer is yes your amp will power the subs but if i was you and you want more bass I would go with a two channel amp or even a mono block amp that will be 1 ohm stable and if you decide to do that you might want to get subs that are dual 4 ohm voice coils and run them in series that will get you 1 ohm of resistance

May 19, 2010 | Kicker ZX650.4 Multi-Channel Amp - 480W ZX...

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Kicker zx650.4 amp turned off and on

could be a couple of things going wrong. could have overheated and shutdown to protect it. could have hand to many incoming wattage/voltage from your head unit and shutdown. could be that the ohms rating on your speakers is to low or that the speakers could have heated up and bumped the guilds and caused it to shutdown. don't know if you know how ohms works. but here is an exp. if you have and have that is rated at 4 ohm stable and that is the lostes ohm recomened for it. and you have two 4 ohm rated subs. you can run them and run them with no problem as long as you don't bridge them. run them off of the same port on the amp. when bridging them it devides the ohms in half. so 2 4ohms would become 2 ohm. 2 8ohm would become 4 ohm etc. if you are running 4 speakers in pair that are 8 ohm each the total together would be 2ohm. hope this helps. try to duplacate the conditions that was going the other day when it shut down same bass settings same song etc and see if it happens again if so try unhooking one of the speakers and try it again if it don't do it it was overloading it if it was overloading and you know its right ohms etc. send it in sorry this is so long.

May 01, 2010 | Kicker ZX650.4 Multi-Channel Amp - 480W ZX...

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I have 1500 kicker amp and 2 15L7 4oh want to hook up

you can't get full power out of it because those subs can be wired series/parrallel to a 1 ohm load or just series to a 4 ohm load and you don't want to put a 1 ohm load on this amp... you need dual 2 ohm subs for this amp... I have the same setup but with dual 2 ohm subs and it is rediculous... you need to buy different subs that are dual 2 ohm or buy an amp that is stable at 1 ohm... you will only get 750 rms out of a kicker 1500.1 at 4 ohms so u will do more harm than good to your subs.

Dec 09, 2009 | Kicker ZX1500.1 Car Audio Amplifier

1 Answer


All amps aren't created equal. More exspense amps put out "cleaner" power. You need to know what the RMS power rating is for the amp at 8 ohms and 4 ohms. Also, is the speaker an 8 or 4 ohm speaker? How you wire a speaker or speakers (series or paralell) can change the ohms (resistence) which will change the power put out of the amp. Also, I'm assuming you are setting it up in mono?

Jun 22, 2009 | Pyle 2 Channel 4000 Watt High Power MOSFET...

2 Answers

Cut out

rewire the subs-each sub you want in series=8 ohms per sub-then at the amp wire the two 8 ohm subs in parallel which brings the ohms back down to 4 ohms which is optimal for the amp and it shouldnt shut down on you any more-try that-good luck

May 30, 2009 | Kicker ZX400.1 Car Audio Amplifier

1 Answer

I have a kicker zx700.5 amp

Hello aj_vidal22,

Here's the link to MTX's sub page where you can view or download the information you need to properly wire the subs to your amp.

For maximum power, you'll need to wire the subs so that they present a 2 ohm load to the sub outputs on your amp. That will give you the full 420 watts RMS the amp is rated for. Likewise, you,ll want the run the front 4-channels at 2 ohms. Run separately, they produce 85 Watts times 4 channels, or if bridged, 130 watts times 2-channels. But if you run fronts at 4 ohms, they only produce 70 watts times 4 channels and your sub output at 4 ohms drops to 210 watts.

Hope this helps.

Apr 17, 2009 | Kicker 06ZX750.1 Car Audio Amplifier

2 Answers

Dual voice coil wiring to class d amp

The easiest way to think of wiring voice coils and subs is this:
  • Two items of the same impedance in parallel = Half of the impedance
    • 4 ohms in parallel with 4 ohms = 2 ohms
    • 8 ohms in parallel with 8 ohms = 4 ohms
  • Two items of the same impedance in series = Double the impedance
    • 4 ohms in series with 4 ohms = 8 ohms
    • 8 ohms in series with 8 ohms = 16 ohms
In this case, you want to wire two subs, each with dual 4 ohms voice coils, so that the total equals 2 ohms. Your options are:
  • DVCs in parallel, 2 subs in series = 4 ohms
  • DVCs in series, 2 subs in parallel = 4 ohms
  • DVCs in parallel, 1 sub = 2 ohms
With two, dual 4 ohm subs, you can only have 1 ohm or 4 ohm total impedance.

Mar 16, 2008 | Car Amplifiers

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