Question about Verge VGA300M Car Audio Amplifier

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Connecting a subwoofer to a mono amp that has 2 sets of terminals

Ok, I have a mono car amp that has 2 sets of terminals. This amp says that it is bridgeable. 195W RMS @ 4ohm. 265W RMS @ 2 ohm. Crutchfield says a mono amp is best for a dual voice coil sub. (2 sets of terminalss) It says take the + from one terminal of the amp to one + of the sub...then to the other + of the sub. Do the same with the negatives. This would be a 2ohm connection. My question is... would I be getting the 265W RMS @ 2ohm rating? What would I have to do to "bridge" this amp to a dual voice coil sub and what would my power rating be?

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Ok this gets confusing sometimes. Ok first look to see what ohm your subs are. If you have a dual 4 ohm sub When you run that on sub + to + and - to - then that will make that sub 2 ohm. its different on ohm if the sub is say a 8 ohm then putting the wires that way will bring that sub to 4 ohm. Now lets say you have 2 subs that are dual 4 ohm and wire both of them + to + and - to - and go bridge the amp which would be both wires from sub both + together and both - wired bridge on the amp will make it a 1 ohm to the amp. Please post what ohm your subs are and i can tell you alittle more about it

Posted on Oct 23, 2008

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1 Answer

With a kenwood amp 1000watt 170rms x 2 ,how should i really wire these up!


You haven't supplied any model #s so its impossible to say - but Kenwoods don't normally like 2 ohm mono loads.

You're going to have to either use one channel @ 2 ohm... or use each subwoofer per channel on the amp.

For a 2 Ohm mono load - wire all positives and all negatives from each sub to the amplifier's respective (bridged) terminals.

Thanks for using FixYa - a 4 THUMBS rating and POSITIVE TESTIMONIAL is appreciated for answering your FREE question.

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I have a pyle blue wave 12inch 800w subwoofer for a car hook up?


that just means it is dual channel.

if you have a stereo amp just run the left wire to one terminal and the right wire to the other terminal.

if your amp is mono run the wires to the first terminal and then from there to the second set of terminals.

PLEASE NOTE that by doing that you are bridging the speaker if the speaker was 4ohms to start with you just dropped it to 2 ohms so make sure your amp can handle that.

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I have a Hifonics BXI1208d mono subwoofer amp but i have 2 sets of wire terminals and they go negative negative postive postive. Which do I use?


Depends if its bridgeagle or bridge internally. bridgeing provides the most power to a mono system. 2 positives and 2 negative you have a 2 channel amp. Heres a link to check out, you should be able to figure out your system and hook it up with this. Hope it helps. http://www.wikihow.com/Bridge-an-Amplifier

Jun 20, 2009 | Hifonics Car Audio & Video

1 Answer

If you have an amp thats mono block with 1 channel but two positives and two negatives what is the best way to hook it up for two 12in.


The fact that there are 2 output terminal sets are simply for convenience. You need to know your amps ratings, but it is probably rated to handle 2 ohms. In this case, (assuming your 2 speakers are single coil 4 oh,s each) just connect them one speaker per set of jacks. (the output terminals are electrically connected inside of the amp, and are the same piece of metal (both the positives are the same, and so are the negatives).
By connecting your 2 subs in this manner, your amp will be pushing 2 ohms with the power equally divided between the two woofers.

This is the best way to hook up, and will get the most power from your amp.

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1 Answer

2 channel amp with 2 Kicker Cvrs 15"


Assuming the amplifier is 2 ohm mono stable... the amplifier is bridgeable... and the subwoofers are Single 4 Ohm Voicecoils, You would wire them as follows....

Both + on Both subs to the + bridged terminal on the amplifier.
Both - on Both subs to the - bridged terminal on the amplifier.

This will net a 2 ohm mono load for your amplifier.

If you have something different - let me know... and I will give you the proper wiring for what you have.

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

Jun 10, 2009 | Kicker CVR12 Car Subwoofer

1 Answer

Which terminals to use


if your amplifier is 2 ohm mono stable - you can wire them in parallel.
Put a piece of wire from one + terminal to the other + terminal on the subwoofer.
Then do the same to the -.
Now pick one pair of teminals from the subwoofer and wire it to the amplifier. (one set of subwoofer terminals will have 2 wires each).
If you reply with your amplifier make/model, I can tell you the best usage.

Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

May 30, 2009 | Pioneer TS-W307D4 Car Subwoofer

1 Answer

To bridge a Kenwood KAC-9102D


Hello laurogleal,

The Kenwood KAC-9102D is a mono amp. There is no bridging. Having two sets of terminals is just a more convenient way of connecting two subwoofers. The amp is stable down to 2 ohms impedance, so it is safe to run 2 4 ohm loads in parallel.

Hope this helps.

Apr 28, 2009 | Kenwood KAC-9102D Car Audio Amplifier

1 Answer

15 cvr 4ohm trying to drop to 1 ohm


Are these Dual Voicecoil Subwoofers? Are there 4 terminals on each sub for wires?

If they are Dual 4 ohm voicecoil subwoofers
- connect both + on subwoofer 1
- connect both - on subwoofer 2
- connect both + on subwoofer 2
- connect both - on subwoofer 1

This will give you a 2 ohm STEREO load.
To get a 1 ohm MONO load...
now connect only one of the + on EACH sub to the + on the amplifier.
and the - on EACH sub to the - on the amplifier.
You now have a 1 ohm mono load.


If your speakers are 4ohm single voicecoils (one pair of terminals) the lowest impedence possible is 2 ohms.

This is wired in the same fashion. Both + on the subwoofers to the + on the amp, and both - on the subwoofers to the - on the amp.

Thanks for using FixYa - a FixYa rating is appreciated for taking the time to answer your FREE question.

Mar 11, 2009 | Kicker CVR12 Car Subwoofer

1 Answer

I have 2 pioneer ts-w307d4 400watts rms and an GMD7400M 400 Watt Mono Digital Amplifie now how do i connect this or what is the best connection or setup?


liquid_icon:

Since the the subs are 4ohms & the amp's highest output is @ a 2 ohm load, you will need to wire the subs in parallel to the amp. When speakers are wired in parallel it reduces the resistance the amp feels on it's output. In "parallel" means connecting the + terminals of each speaker to the + terminal of the amp. Then connect the - terminals of each speaker to the - terminal of the amp. Make sure you use the correct wire size called for the spk mfg. That's it. If you need additional help, let me know.

peace-out

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1 Answer

Verge VGA300M Speaker terminals


Mono amps often have two sets of speaker outputs; this is just to simplify multi-speaker connections. The two positive and negative terminals are connected together internally, so they're effectively the same as one terminal. There's no difference between connecting both subs to the same positive and negative terminals, or using different terminals for each sub; electrically they'll all be connected together either way.

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