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Amp Can i use this amp on a single 4 ohm sub or would i have to wire 2 in series?

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Re: Amp

You can use a single 4 ohm speaker. Here's the manual:
Click here

Posted on Dec 31, 2007

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How to connect HIFONICS BXI 2607 D watt at 1 ohm....

That's dependent on your subwoofers. You will need 2 dual 4 ohm subs wired in Parallel, a single dual 2 ohm subwoofer wired in parallel, a single dual .5 ohm wired in series. Or something similar.

Nov 20, 2009 | Hifonics BXi 2006D Mono Block Amplifier...


How to wire subwoofers correctly.

If you're ever unsure about how you need to wire your subwoofers to get the correct ohm load to your amplifier there are a few resources to help. Usually in the owners manual that comes with your subs and your amp they include a detailed ohm load calculator. First step is to determine what subwoofers you have. Common subs come in a dual 2 ohm or a dual 4 ohm version or a single 2 ohm or a single 4 ohm version. Next determine what ohm load your amplifier is rated at. Mono "subwoofer" amps usually are rated x amount of watts at either a 2 or a 1 ohm load. This means you need to purchase the correct subwoofer combination to match your amp. If youre purchasing 2 dual voice coil 4 ohm subs then to maximize an amp you should buy a mono amp stable at 1 ohm. and Dual 2 ohm subs would need a 2 ohm stable amp wired in series parallel. A great resource for a beginner is to go to and on the top of the page find the words "subwoofer wiring diagram" and click on it. This will bring you to a drop down menu where you choose the number of drivers "subs" or "speakers" you have and then you choose the impedence in the next drop down menu. Next you'll be provided with multiple wiring options. Good luck and never think you can't do it yourself. Once you learn it's very easy to retain.

on May 31, 2010 | Car Amplifiers

1 Answer

2 ohm sub and 4 ohm sub onto a 2 ohm amp

I presume you are talking about wiring one sub into each out put if so sure you can, but the 2 ohm sub will see more power & it will be louder. If you are wiring them in paralell to one output the load will be too low (1.33 ohms)& could blow your amp ! If you wire them in series to one output you will get a 6om load which will be fine also but with less volume.

Jun 10, 2009 | Sony Car Amplifiers

1 Answer

Sony explode amp cuts out after bass hits and over current light comes on. its a xm-2150 gsx and when no speakers are connected the light dosent come on

Start by checking and making sure that you have excellent connections at power,ground, and signal. Depending on the voltage output of your rca wires if you are running rca's to your amp typicaly your amp gain should be only at half - you may be clipping the signal if you have the amp set too high. On your deck you will want your bass settings at only half -again too much boost will cause clipping at the amp. with all your settings adjusted and all possible connections checked- the only thing left to check is the compatibility of your subs in relation to the amp-by that im referring to the overall resistance-measured in OHMS that you are placing on the amp.Your amp is probably rated at about 150wattsx2 at 4 ohms or 200+watts x 2 into 2 ohms or 400-460watts into a 4 ohm bridged load. Look on the magnet of the speakers and find out if you have single coils or dual coils and see what the ohms(resistance) of each sub (or coils) are rated at- ideally you would want a set of dual voice coil 4ohm+4ohm per sub- that way you can match the subs better with your amp.---- Heres a scenario that may or may not apply to you- i see it all the time so im going to share it with you---- If you have a set of single voice coil 4 ohm subs and you are trying to run them wired in parallel to the amp in bridged -then that is why you amp is shutting down- you will have to wire the subs in series until you either get different subs that will yield an overall 4 ohm load -or find a different amp that will take a 2 ohm load - okay for now try wiring the subs in series and see if it still sends out an overcurrent light on you-good luck

May 18, 2009 | Sony Xplod XM-1652Z Car Audio Amplifier

1 Answer

Need help

Hello bully_bread,

Your amp will be powering the sub at 4 ohms.

The impedance or "load" that the amp sees is determined by the number of voice coil(s), the number of sub(s), and how they are connected. Whatever that final load, it is the impedance or "ohms" that the amp is supplying power at.

A single 4 ohm sub with a single voice coil cannot present a 2 ohm load. However, a sub with dual 4 ohm voice coils wired in parallel will present a 2 ohm load.

Here's a link to Rockford_Fosgate's "wiring wizard" where you will find all combinations of subwoofer wiring and the resulting loads.

Hope this helps.

Apr 13, 2009 | SPL Audio Phantom DK2-1000 Car Amp

1 Answer


I looked up that amp, it doesn't have a listing for 2ohms x1 but it has 2 ohms x 2 and its at 250watts. For this situation, I would recommend a different amp or different subs. Right now you are getting the most you can get out of your sub/amp combo, if you only have single voice coil subs. Which is common in the mtx preloaded boxes. Either you want an mono block amp stable at 2 ohms or 2 dual 4 ohm voice coil subs. If you got the subs you would wire the voice coils in series so you could get 8 ohms then the subs in parallel so you could get 4 ohms, which would be the best for that particular amp. Good luck.
-Andrew Hawkins

Aug 23, 2008 | Legend LA1490 - American Legacy Series 2 -...

1 Answer

Can i wire 3 jbl gto1204d subs into 1 jl audio 500/1 amp

You can connect them in a series/parallel configuration. Put two of them in series and then connect the last one in parallel across the two in series. This would give you an impeadance of around 2.7 ohms. Only do this if your amp is stable at 3 ohms or less. I am not familiar with the specs of your amp. If your amp is only 4 ohm stable you can not do this.
This would also give you half the power on the two subs in series as the power for the one that is parallel. The two in series would be sharing the total output signal, where-as the one in parallel would get the entire output signal from the amp.
if you were to connect a fourth sub woofer in this configuration it could give you a 4 ohm load, by adding the fourth sub in series with the single sub that is in parallel. or in other words, yu have two sets of 2 sub woofers each in series. That gives you two 8 ohm loads (two 4 ohm subs in series is 8 ohms). Then you take the two sets of subs and parallel them (two 8 ohm loads in parallel equals 4 ohms).

If i had a picture to show you it would make sense, two subs in series that are in parallel with two subs in series.

May 12, 2008 | Jl Audio 500/1 Car Audio Amplifier

2 Answers

Dual voice coil wiring to class d amp

The easiest way to think of wiring voice coils and subs is this:
  • Two items of the same impedance in parallel = Half of the impedance
    • 4 ohms in parallel with 4 ohms = 2 ohms
    • 8 ohms in parallel with 8 ohms = 4 ohms
  • Two items of the same impedance in series = Double the impedance
    • 4 ohms in series with 4 ohms = 8 ohms
    • 8 ohms in series with 8 ohms = 16 ohms
In this case, you want to wire two subs, each with dual 4 ohms voice coils, so that the total equals 2 ohms. Your options are:
  • DVCs in parallel, 2 subs in series = 4 ohms
  • DVCs in series, 2 subs in parallel = 4 ohms
  • DVCs in parallel, 1 sub = 2 ohms
With two, dual 4 ohm subs, you can only have 1 ohm or 4 ohm total impedance.

Mar 16, 2008 | Car Amplifiers

2 Answers

Speaker connections

This is a single channel amp that puts out about the same power at 4 Ohms or 2 Ohms. If you have two 4 Ohm single voice coil subs, then wire them parallel (both pos and both neg) to achieve 2 ohms. If you have two dual 4 Ohm voive coils, you want to do a series - parallel config to get to 4 Ohms (voice coils in series, then parallel the subs). Same with DVC 2 Ohm subs, series parallel = 2 Ohms. Do NOT go below two Ohms. You will blow the amp (actually, it'll do 1.5 Ohms). If you happen to have 2 Ohm single voice coil subs (not as likely) run them in series. Most amps will put out about twice as much power at 2 Ohms vs. 4, but this amp is designed to put out about the same. Hope this helps!

Feb 12, 2008 | Jl Audio 500/1 Car Audio Amplifier

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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