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How to convert from 4 ohm to 2 ohm car amplifier

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  • Lacey Simmons May 11, 2010

    what amplifier do you have and what sub woofers are you running ?

  • yadayada
    yadayada May 11, 2010

    all amps have the ability to use 2-8 ohm inpedence speakers.

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All amplifiers are rated by the manufacturer as to the minimum impedance they can be wired to and still operate effectively (or at all).
All amplifiers are different - and there are some not stable at 2 ohms.

In theory - you are changing the amplifiers LOAD - not the amplifiers ability to withstand a lower impedance.

An amplifier that is wired at a 4 ohm load will have approximately HALF the power of the same one wired at a 2 ohm load.

If you post your amplifier make/model I can tell you the spec's.
If you're wondering what voicecoil wiring configurations will give you a 2 Ohm load... I can help with that as well - Simply post your make/model of the subwoofers.

Thanks for using FixYa - a Very Helpful Rating is appreciated for answering your FREE question.

Posted on Jul 24, 2009

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I have a alpine v12 mrv-f805 amp n a 12 inch 1300 wt sub. Am planning to buy one more sub n connect it to this amp.i wanna know can i make my woofer to low impedence or connect another one,which will give me more bass pls help thanks

Posted on Oct 27, 2012

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I have two Alpine R SWR-12D2 with a Alpine MX110 amp. I want to wire these to get most power. How do I wire them ?

Posted on Sep 11, 2012

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sticky92505
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SOURCE: How to connect a 2 ohm stable in stereo

ok when getting into wiring and impeadances on car audio one must be careful the wrong impeadance with the wrong amp causes overdriving and it will kill your equipment. check the user manual to see if the amp is 2 ohm stable if it is dictated as stable @ 2 ohm there are multiple ways of wiring the speakers to get the load you want i highly recommend 12volt.com

Posted on Feb 18, 2009

  • 11 Answers

SOURCE: I have Kicker ZX 650 4 channel amplifier and 4 DB

As far as I am aware you need to get 2 ohm speakers. I run a 4 ohm subwear as the Alpine Type R sub is 2 ohms. I'm not 100% on this though but you may get around it by bridging your speakers by connecting both speakers to the amp as normal but swapping the speakers negatives around! That may cause the amp to run as if only at 2 ohms. Hope this helped!

Posted on Dec 06, 2009

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