Question about Kicker Solo-Baric L7 S15L72 Car Subwoofer

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Dual 2 ohm or dual 4 ohm?

I am building my own system, but don't know a whole lot. I have been reading and studying, but have a question. What is the difference between a dual 2 ohm sub and a dual 4 ohm sub? My JL 6600 amp is rated at 75watts RMS @ 2 ohm. All I want to do is bridge channels 5 & 6 to drive 1 sub, but I don't know if I should buy a dual 2 ohm or dual 4 ohm.

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I would suggest you go with the 4ohm. It won't be a loud but it will be more stable. You will be less likely to blow up your amp with the 4ohm.

Posted on Feb 23, 2009

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What amp for swr 1021d


if it is a dual voiccoil its 2 ohms per coil if its a single voice coil its 4 ohms need to know power rating people cant read minds

Feb 23, 2013 | Alpine SWR-1021D Car Subwoofer

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Both subs quit at the same time


- kkkjohnson - Please clarify your question. Do you mean they stopped working all together.
-First make sure the amp going to the subs is still working. -If not, stop and trouble shoot the amp (fuse, loose wires,etc) -If it is working, check the wires going from the amp to the subs -If the wires are connected, your next step should be to dismount the subs and hook them up to a digital multi-meter (DMM) To use a DDM to test the subs ohms do the following:
Figure out what the specs of you subs are...ie...what ohms and voice coils the are (dual 2 ohm, 4 ohm, etc. After that, place the black/negative wire/lead coming from the DMM tol the negative terminal of the sub. The place the red/positive wire/lead to the positive terminal of the sub. Then set the DMM to the ohm symbol. It should look like a horse shore symbol. Then allow 5 or 15 seconds for a accurate reading of what the ohms are. For instance a dual 2 ohm sub should read anywhere from 1.6 ohms to 2.4 ohms...each sub is difference. Check both sides/voice coils if it is dual voice coil subs. For instance if your sub is dual 2 ohm sub and you get a read that is higher than the numbers listed above (ex. 8 ohms, .05 ohms, etc); this would indicate that you have a blown sub.

Oct 14, 2012 | Kicker Comp CVT 10 Car Subwoofer

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I just needed some help with wiring my p8002 rockford amp to 2 fosgate 10 inch subs i just bought. there 4 ohms a piece and dual voice coil. i dont know much about car stereos but people keep telling me...


Well i tried looking up that amp, but Fosgate sight is down. So assuming that the best power out of your amp is 2ohms off the bridged hookup, and the subs are 4 ohms per coil, the best way is to only use one side of each speaker and hook it straight the the bridge. Only using one hook up wont hurt anything, its just for giving you wiring options. And when adding up ohms of speakers, it goes like this. If you had two 4 ohm subs, that'll give you a 2 ohm load. If you hooked up all your hookups, it would be like having four 4 ohm subs, and would give you a 1 ohm load.

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Jan 19, 2011 | Car Speakers & Subwoofers

2 Answers

Can i hook up my sub if it's wired to a 2 ohm and my amp is 4 ohm


Hi martineztag
You should never connect a load of an impedance less than the min the amp is able to drive. This can have disastrous consequences that may easily result in failure of the amps output stages. You need to use a different configuration that does not overload the amp in this manner for safe operation.
regards robotek

Jan 19, 2010 | Kicker Solo-Baric S12L5 Car Subwoofer

1 Answer

How do you hook up 2 12" L7's to a kicker 1200.1 amp?


You have a 2 ohm stable amp, and dual voice coil subs.. The L7's come in both Dual 4 ohm, and Dual 2 ohm, so you have to know what impedance your coils are prior to wiring. HERE is a nifty little guide that will show you how to wire your subs. DO NOT WIRE THE SUBS LOWER THAN 2 OHMS ON YOUR AMPLIFIER!

Aug 23, 2009 | Kicker Solo-Baric L7 S12L7 Car Subwoofer

2 Answers

I have 2 positives and 2 negatives on back of my alphasonik sub, do i connect amp to one side or both sides?


Hello gaz69,

Your PSW815 has 2 ohm dual voice coils allowing you to better match the impedance to your amp. Each voice coil is 2 ohms. If you wire them in parallel (both +'s together and both -'s together and then to the amp terminals), the sub presents a 1 ohm load which is too low for most amps. Wiring the voice coils in series (one + to the other - and the remaining + and - to the amp terminals) results in a 4 ohm load.

This link shows the wiring diagram for both options. If you know for sure that your amp is 1 ohm stable, use Wiring Option #1. If the amp is not 1 ohm stable, use Wiring Option #2.

Hope this helps.

Aug 09, 2009 | Alphasonik PSW815 Car Subwoofer

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If my woofers at bridged and my and is too but it


first you dont bridge both ,, 2nd you will need to find out what ohms your speakers are , and if dual coil what ohms each coil is ,, then find out what ohms your amp runs at , at full power.. then try to match your subs to the same ohm load,, REMEMBER there are diff ways onto how to hook subs on which will change the ohms.. good example 1 dual coil sub each coil is 2 ohms then you can hit a 1 ohm or 4,, depending how you hook them up .. When adding more subs and how you hook them up changes the whole game.. if your not sure on how to hook them up read a manual or go to a local shop you can burn your subs up or worst the amp if hooked up incorrectly ..

Jul 20, 2009 | Kicker CVR12 Car Subwoofer

1 Answer

IF THE WOOFERS HAVE 2 VOC.COIL EACH HOW DO YOU CONNECT WITH THE AMP THAT HAS ONE CHANNEL WITH TWO + AND TWO -.


it depends on the load you want to present to the amp. un 12, 2009 - If woofers are 2 coil, then you definately need to know the impedance of the coils (are they dual 2 ohm, or dual 4 ohm?). For dual 4 ohm speakers you will only be able to acheive a summed load of 1 or 4 ohms. If your amp can handle 1 ohm, then connect this way: 1 ohm: Connect both the positives and the negatives together on each speaker. This puts them in paralell which will result in a 2 ohm load per speaker. After you connect the two 2 ohm loads to the amp, it will see 1 ohm as it's load. If your amp can handle this, this is usually the lowest configuration capable by consumer stuff, (if you are not doing competition or some crazy thing), and few amps are rated for 1 ohm so it's not really recommended and may heat up or blow your amp. 4 ohm: Connect one negative to one positive terminal on one speaker. Drive the other open terminals with the amp. This places coils in series and results in an 8 ohm load per speaker. After connecting both speakers to the amp, the amp will see a 4 ohm load. In both cases, the rates power of the amp (at that load) will be divided equally between the speakers. Jun 12, 2009 - For dual 2 ohm speakers, the only loads you can achieve are .5 ohm (1/2 ohm), and 2 ohm. The connections are the same as above, and this results in: ...If coils for each speaker are wired in paralell, the results are 1 ohm per speaker, and after connection, the amp sees 1/2 an ohm. (.5 ohm) ...If coils are wired in series, the result is 4 ohms per speaker, and the amp will see 2 ohms after both are connected.

Jun 12, 2009 | Volfenhag ZX-4712 Car Subwoofer

1 Answer

What is the difference in a dual 2 ohm sub and a dual 4 ohm sub?


Dual 2 ohm sub can be wired to achieve a 1 or 4 ohm load.
Dual 4 ohm sub can be wired to achieve a 2 or 8 ohm load.

Usually no difference in Theile Small Parameters.... Only wiring configuration - to get the most power out of your amplifier.

Thanks for using FixYa - a FixYa rating is appreciated!!

Feb 23, 2009 | Kicker Solo-Baric L7 S15L72 Car Subwoofer

2 Answers

General ?


they are dual 2 ohm all L7 are 2 voice coil per speaker so it is like 2 speakers not 1 the dual 2 ohm version is so you can use 2 speakers wired in series to get a 2 ohm load 2 ohms + 2 ohms = 4 ohms then parralel the 2 at the amp to cut it in half to get 2 ohms. I have full warranties on mine and i dont really sell alot of them any way I prefer the hifonics they sound better last alot longer and take way more power and put out 3 times as much sound. but i can check it out if you have the info.

Sep 17, 2008 | Kicker Solo-Baric L7 S15L72 Car Subwoofer

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