Question about Dual XNBP12D Car Subwoofer

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What would be the ideal amplifier for these subs?

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  • Anonymous Mar 17, 2009

    what size amp do i need i was thinking of running a 600 or an 800

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I have the same subs. i am running a total 500/1. i would say not a good idea, just today i was listening to bass mechanic and i could smell the voice coils heating up. so probaly a 300-400 watt amp would be good. just make sure it is a true wattage amplifier. not a cheap amp. pioneer amps that walmart sells are actually good amps.

Posted on Aug 04, 2008

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Which amplifier is best suitable for me to use?


This really depends on the setup you intend to create in your vehicle.

The Amplifer (amp) needs to be matched to the speakers you intend to run.


As a rule of thumb, the power of the amp shouldn't exceed the max. power of the speaker (this may damage your speaker). Instead, the amp's RMS output power should be at 75-100% of the speaker's RATED (RMS) input power. NOTE: this must NOT be confused with max power.

Ideally, you want to run each speaker with its own amp channel.

A subwoofer will usually require a hi-power single channel amp, or a 2 channel amp, bridged into 1 (to increase power output required for the sub).

Here are some examples in simpler terms:

1 channel (hi power) amp can run a subwoofer.
2 channel amp can run 2 speakers, or 1 sub (bridged).
4 channel amp can run 4 speakers, or a combination of 2 spkrs + 1 sub (bridged), or perhaps 2 subs (bridged).

Hope this makes sense.

Feb 27, 2013 | Car Speakers & Subwoofers

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I have a rockford fosgate 1001d and 2 audiopipe dvc 12s need 2 know how wire speakers


Check to determine if your sub woofers are DVC 4OHM or DVC 2OHM SOLUTION 1 If your sub woofers are DVC 4OHM then, from the positive (+) of the amplifier run your cable to the positive terminal of voice coil 1 on sub woofer 1 then continue to connect all the positive voice coils together on both sub woofers. Do the same for the negative from amplifier to all the negative voice coils of both the sub woofers. RECAP: all positives together on the positives and all the negatives together on the negatives. This will give you a 1 OHM load to the amplifier making it deliver all its power but will also run hot. So if you are living in a hot climate take care. SOLUTION 2: Connect the negative on voice coil 1 to the positive of voice coil 2 on sub woofer 1 Do the same for subwoofer 2 now you should have a free negative and a free positive on each of the sub woofers. connect the free positives together and follow through to the positive on the amplifier. do the same for the free negatives sending them to the amplifiers negative. This will give you a 4 OHM load to the amplifier. Not full power in this mode but the most stable working condition for your amplifier. SOLUTION 3 If your sub woofers are DVC 2 OHM then you only have one reasonable wiring solution. Connect like solution 2. This time because of the DVC 2 OHM sub woofers you would have a 2 OHM load to the amplifier. This is also a stable load for the amplifier and does not generate to much heat and still deliver over 50% to 70% of the amplifiers power. good luck and drop me a line if you still have doubts. dreamsystems

Feb 10, 2011 | Car Speakers & Subwoofers

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I have 3 10" clarion


If your sub woofers are DVC 4OHM: Connecting three together in Parallel/Parallel would make your amplifier run a 0.67OHM load or if connected Series/Parallel then you would have a 2.67OHM load. If your sub woofers are DVC 2OHM: Connecting three together in Parallel/Parallel would make your amplifier run a 0.36OHM load or if connected Seies/Parallel then you would have a 1.67OHM load and Series/Series a 12OHM load. So if your sub woofers are really DVC, it would be impossible that your amp would be playing 4OHM. The numbers just don't add up. There are amplifiers out there that can deal with 0.50OHM loads but expect them to be on the pricey side, but fairly so, because mostly higher end brands tend to manufacture them and are usually pretty good. Remove 1 of the sub woofers. If i knew what the subs where 4 or 2 OHM DVC and what amplifier you are using i would tell you how to connect them for the best possible result. hope this helps dreamsystems

Feb 07, 2011 | Car Speakers & Subwoofers

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Need wiring diagram to connect speakers.


  1. There are many ways to wire subwoofers and amplifiers. The ideal is to match subs, amps, and their relative impedances to maximize their power capabilities. While not totally inclusive, the following diagrams should be helpful in determining which wiring option will work best for you: http://www.crutchfield.com/S-jXlGCwReN8E/learn/learningcenter/car/subwoofers_wiring.html

Jan 18, 2011 | Car Speakers & Subwoofers

1 Answer

Subs will pound then suddenly stop, when you turn the ignition back they will sometimes start to pound.


What you must do is check the amplifier when they stop playing.

Check wether the amplifier is not in protection.

If it is feel how hot the amplifier is. You may have the subs wired incorrectly to the amplifier.

Check the thickness of your power cabling. If it is not thick enough then the amplifier will also go into protection.

IYou can also try disconnecting 1 of the woofers to see if maybe you dont have a faulty sub.

Nov 07, 2009 | Dual Car Speakers & Subwoofers

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I have a ly1440 amp how can i wire it to my hk15x2


This subwoofer has (2) 2 Ohm voicecoils.
Which means you will only be able to wire a 1 Ohm or 4 Ohm configuration for your amplifier.
The Model # you listed for the amplifier is not a valid one.

If your amplifier is 1 Ohm mono stable...
you wire both (+) Sub to amp (+)
and both (-) on Sub to amp (-)
This is PARALLEL wiring and lets the amplifier SEE a one ohm load

If your amplifier is NOT one ohm mono capable - your only other possibility is a 4 Ohm load.

Wire from (+) on amplifier to one (+) on the sub
Then Wire from (-) on amplifier to the OTHER terminal's (-)
You will have one (+) and one (-) left on the subwoofer - wire them together.

This is SERIES wiring, and nets a 4 ohm load for your amplifier.

There is no other configuration for wiring one Dual 2 ohm sub.

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

Aug 07, 2009 | MA Audio HK15X2 Car Subwoofer

1 Answer

I am trying to find specifications and optimum enclosure volumes.


visit the12volt.com, or i think that is what the url was. been a while but my buddy was an installer and he swore by the website.

anyways just trying to be helpful

Mar 12, 2009 | Phoenix Gold QXE-108 Car Subwoofer

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How to wire 2 ohm 2 12ich alpine type r's to box terminals?


Dual 4 ohm subwoofers can only be wired @ 1 ohm, 4 ohm or 8 ohm.
2 ohm mono load is not possible.
You will need to use (1) subwoofer to get the 1000W out of the amp.
Wire both positives on one sub to + on amplifier and both - on the same sub to - on amplifier to give the amplifier a 2 Ohm load.
Add a second amplifier, or buy an amplifier that is 1 ohm mono stable.
You can wire both to the amplifier at 4 ohms 600W, but they will share the power and only see 300W ea.

Jan 12, 2009 | Alpine Type-R SWR-1242D Car Subwoofer

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OEM gm stereo


If your amplifier has what they call High level inputs (basically inputs on the amp that you run the speaker wires from your radio into), you can splice wires from where the connectors are on your rear speaker(s), still leaving the speaker hooked up, and use those as an input into the amp. If your amplifier does not have high level inputs, a convertor is available to turn an audio signal from your radio output speaker wires ( spliced in just as above, leaving the speaker hooked up), into an rca output jack. Or the best thing to do would be to buy another say 2-4 channel amp w/high level inputs and rca inputs and outputs, and run your rear speaker wires into the amp. Then you'll be able to run the rca cables out of that amp and into the sub amp, and you'll have the new amp to power your rear speakers or rears and fronts. That would be ideal. But, A convertor is your best bet. Got em at best buy, circuit city, etc. Hope this was helpful.

Nov 25, 2007 | Car Speakers & Subwoofers

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