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  • Anonymous Feb 11, 2008

    how do I wire 2- 2 ohm subwoofers to a 2 ohm amplifier

  • Anonymous Mar 31, 2008

    daul voicecoal@ 2ohm (2) sub's how to wire to 2ohm stable



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Im assuming you have 2 subs that are DVC? if thats the case, wire from the positive on the amp to the positive voice coil 1 on sub 1 to the positive on voice coil 1 on sub 2. then do the same with the negative sides. then on the second voice coil of sub 1, connect a wire from positive to negative. do the same for sub 2.

Posted on Apr 19, 2009

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Amp+ to Sub1 +
Sub1- to Sub2 +
Sub2 - to Amp -

Posted on Nov 27, 2007


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I have an old school autotec xs 1500.1 and need to know how to hook up the outs to make it 1 ohm

Since it is a mono block amp, it depends on your subwoofer (s), and how you wire them to the amp.

Single 4 ohm sub would be just that, 4 ohms.
Single dvc 4 ohm sub, with both voice coils wired parallel would be 2 ohms.

2 dvc 4 ohm subs wired parallel would be a 1 ohm load.

Feb 20, 2015 | Ohm Car Audio & Video

1 Answer

Have 2 4+4ohm avi sl500 subs how do i wire it to this amp and what setings on this amp alpine mdr m1005 1000watt amp

using these subs will limit you to a 4 oh load to the amp witch will only let the amp produce half of it's power. the lowest ohm load that amp can handle is 2 ohm and the next lowest you can wire the subs is 1 ohm and that will over heat the amp and destroy it. so to answer your question first wire each sub like this diagram shows...
Wiring Option #1
then once both subs are wired this way you wire both positives from each sub to the positive side of the amps speakers terminals and wire each subs neg. to the amps neg speakers terminal. the wire is series parrelle and will present a 4 ohm load witch will be the safest to run with your amp.

Jan 19, 2010 | Alpine MRD-M1005 1000 Watt Mono Amplifier...

1 Answer

Subwoofers pop then immediately produce no sound

Sounds like the two subs wired together might be too much of a load on the amp and it is shutting off. Try wiring the two subs in series. That will reduce the load on the amp but will conversely put out less power. Less is better than none though. In any case check your amp to see what the lowest ohm rating it can see, that ohm rating is where you want your subs and if faced with a choice of either going under (lower numerically) or over (higher numerically) GO OVER!-it is much safer.
Here's an article I wrote that can help explain how to wire the subs to the amp.


Wire the positive pole from one voice coil (using wire that is as thick or thicker than your wire from amp to sub) to the negative pole of the other voice coil (on the same sub). This will leave you with a positive pole from one voice coil and a negative pole from the other giving you the two leads that will be hooked up to the amplifier or other subs. When wiring in series, the ohms will go up numerically, and the load on the amp will go down. Almost all amplifiers power output will follow this rule, except some amps such as JL Audio's “Ohm matching” D Class amps.

Wire the positive pole from one voice coil (using wire that is as thick or thicker than your wire from amp to sub) to the positive pole of the other voice coil (on the same sub). Then wire the negative to the negative in the same way. You can then wire to the amp or other subs. When wiring in parallel the ohms will go down numerically, and the load on the amp will go up. Almost all amplifiers power output will follow this rule, except some amps such as JL Audio's “Ohm matching” D Class amps.

In order to match your amplifiers ohm rating you can use parallel and series wiring together, just keep things even for power distribution and to avoid phase issues.
Example: I have two “Type X 12” subs” that have dual 2ohm voice coils and have to match my “Amplifier X” ohm rating of 2ohms mono. In this case, I would wire each subwoofer in series (giving me a 4ohm load), and then wire the two subs in parallel to get my 2ohm mono load. When wiring multiple subs just, treat each sub as a voice coil and wire accordingly.

For example if “Amplifier X” can make 100watts@8ohms, it would make 200watts@4ohms and 400watts@2ohms. However with every drop in ohms the amplifier is put under more pressure. It starts to create a lot of heat, distortion figures begin to climb, damping rates drop, and some amps even throw power spikes when clipping. SO BE SURE TO CHECK YOUR AMPS RATING AND DO NOT EXCEED IT!


Apr 04, 2009 | Alpine Car Audio & Video

1 Answer

Wiring options for amp

Te dual inputsm are tied together on the output side thus having a "MONO" amp. Most class D anps are stable down to 1 ohm (check your manuel) therefore, 2 2ohm subs are a 1 ohm load. 2 DVC (dual voice coil) 4 Ohm on each voice coil will give each sub a 2 ohm load so 2 dual4 ohm V's will give you a 1 ohm load as well. Parrallel all conections.

What subs do you have? Is this amp 1 ohm ono stable?

Larry T
Winona Lake, IN

Dec 09, 2008 | Car Audio & Video

1 Answer

Connecting a subwoofer to a mono amp that has 2 sets of terminals

ok this gets confusing sometimes. Ok first look to see what ohm your subs are. If you have a dual 4 ohm sub When you run that on sub + to + and - to - then that will make that sub 2 ohm. its different on ohm if the sub is say a 8 ohm then putting the wires that way will bring that sub to 4 ohm. Now lets say you have 2 subs that are dual 4 ohm and wire both of them + to + and - to - and go bridge the amp which would be both wires from sub both + together and both - wired bridge on the amp will make it a 1 ohm to the amp. Please post what ohm your subs are and i can tell you alittle more about it

Oct 21, 2008 | Verge VGA300M Car Audio Amplifier

1 Answer

How do you make two dvc subs run at one ohm and put them to a 2 ohm mono block

Make sure your amp is one ohm stable. If you wire the subs at one ohm and the amp is not a one ohm stable you run the risk of blowing the amp if not both the amp and the subs

Sep 22, 2008 | Xtant A3001 Car Audio Amplifier

1 Answer

2 ohm dvc and monoblock sub amp

Yes. When you run two-two ohm subs to a monoblock amp its on the same channel meaning there ran parallel, and that makes it one ohm and most mono-blocks won't read one ohm. Are you popping fuses in the amp?

Apr 02, 2008 | Audio Players & Recorders

2 Answers

Unsureness of wiring configurations.


Get an amp with at least 200 Watts RMS. The RMS value is what is important about driving Subs. This could be proclaimed to be a 1000 Watt amp. REad the RMS value.

Wiring. It is better to series your Speakers to give them and your amp more reliability,

Get a Mono or Bridgeable amp. If it si bridgeable, BRidge the output as described in the manual you get. Some Amps have a diagram right on the output..

AMP+ to Sub1 +
Sub1 - to Sub2 +
Sub2 - to Amp -

Get a 4 Guage wring kit. Run your power wiring down the Drivers side, and Audio signal wiring down the Passenger side, keep the two separate.

Nov 26, 2007 | Kenwood 12" 4-Ohm Single-Voice-Coil...

2 Answers

Directed 1100d 2-channel amp

You will bridge the amp, and if the subs are all 8 ohm subs, you can probably wire them all in parallel, if they are all 4 ohm subs, you would wire then in series.

Oct 17, 2007 | Directed 1100d Car Audio Amplifier

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