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How do u hook up the sub.

I would like to know how to hook up the sub

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What's the best way to hook up 2 Hifonics hdl12d4 subwoofers to a mono amp


Ok, your post has two different models listed. Let's start with something you need to know about your amplifier. Is it one ohm or two ohm stable. This will make a difference. Also, whether your subs are single voicecoil (HFI12s4) or dual voice coil (HDI12d4).

Let's start with the easy scenario. Let's say your amp is two ohm stable and you have two single voice coil subs. It's simple. You go from the positive of the amp to the positive of both subs and the negative of the amp to the negative of both subs. This will provide a 2 ohm load to the amplifier, thus pulling all the power out of it.

Unfortunatley, if you have two dual voice coil subs, you won't be as efficient. You will only have the options of a 4 ohm load or a 1 ohm load.

This is where having a one ohm stable amp would come in handy. If the amp is one ohm stable, hook the positive of the amp to all 4 of the positives on the subs, and hook the negative of the amp to all 4 negatives of the subs. This produces a 1 ohm load.

WARNING!! If you have a 2 ohm stable amp DO NOT use the last wiring scenario. It will fry your amp.

Now, the last is a little trickier. This is for two dual 4 ohm subs. Follow closely. Hook the positive of the amp to one of the positives of each sub. (do the next step to both subs) Go from the negative of the voice coil that you hooked positive from the amp is hooked to, and hook that to the positive of the unused voice coil. Then go from the negative of that voice coil and hook to the negative of the amp. Make sure this is done on both subs. This will give you a 4 ohm load.

Hope this helps

Aug 31, 2011 | Hifonics HFI 12S4 12 DVC Subwoofer 600...

1 Answer

Am triying to hook up the wires from my pa to the sub but i dont get the subwoofer sound the way suppost to be ineed to know how to set up the sub


THE AMP OR RECEIVER HAS A SPECIAL SUB JACK ON THE BACK OF THE AMP OR RECEIVER THAT THE SUB HOOKS UP TO. IT TAKES A SEPERATE CABLE.

Feb 20, 2011 | JBL SF22SP Subwoofer

1 Answer

My celestion s20 subwoofer won't play if i hook it up to sub out on receiver.but will play if i run a regular speaker wire to it. I know sub out is working on receiver.


Tell your source (receiver???) that it has a sub and set it up to feed LFE out of that RCA jack.

Prove your sub pre-out works. Or send something like FM on Tape Out to the sub and see how that works out.

How did you hook a speaker wire to this model of powered sub? What was on the other end of that speaker wire? It's not designed for speaker level input.

Jan 28, 2011 | Celestion S20 Subwoofer

1 Answer

I don't know wich output to hook up my amplifiyer


on the back there should be 4 AV style receivers. 2 are for speakers and 2 are for sub. the sub will more that likely be labeled SW with a red and a white. If there are only two AV receivers than you probabally cannot hook up a sub properly. But you can always use the speaker ones, just wont be as good

Nov 23, 2009 | Eclipse CD3422 CD Player

2 Answers

Hits hard with one sub but has no bass with 2


do you no what ohm your amp can do and what your subs are

Oct 07, 2009 | Lanzar VIBE286 Car Audio Amplifier

1 Answer

Can i hook up a powered 12'sub to a Pheonix Gold xs2500 amp without blowing the speaker


First I hope you remove the speaker wires from the speaker that come from the built in amplifire. You cannot hook the powered sub to the amp without doing that first. Then all you need to do is run speaker wire from the sub out of the box to the amp. In no way can you hook up any other part of the powered sub, but the sub itself, to the amp. If you know the wattage of the sub and the ohms then wire it to the amp correctly. Your phoenix amp will put out 125 watts x 2 at 4 ohms and 250 watts x 2 at 2 ohms and 500 watts x 1 at 4 ohms bridged. Remember, only the sub itself in the sub enclosure can be connected to the amp. Hope this helped you. Let me know if you need more help.

Aug 23, 2009 | Phoenix Gold XS2300 Car Audio Amplifier

2 Answers

I don't know where to hook up the wires running from subs


the r+ and r- are for the right sub and the l+ and l- are for the left sub

Jun 14, 2009 | Jensen LXA300 Car Audio Amplifier

1 Answer

Just installed my cva-1004 in my truck and all connections are good get dvd picture but no sound do i have to have the remote to select inputs i also hooked amp and subs up amp to the sub rc's at the back...


Hey Ryan I have the same thing dude has and my sound only works when I have my subs are hooked up. Without my subs hooked up I have no sound at all. Do you know how I can fix this?

Jan 26, 2009 | Car Audio & Video

1 Answer

Wiring my subs to my amp


bridge it and rear channel if you need to know how to bridge let me know

Feb 07, 2008 | Phoenix Gold Octane-R 15.0:1 Car Audio...

1 Answer

Amp Half Working


is the l/r of the amp working.check rca cable first

Apr 16, 2007 | Lanzar VIBE421 Car Audio Amplifier

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