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Four of these subs to a 2 channel amp. each has 2 positives and 2 negatives on each side of sub

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  • kosovomike Apr 09, 2011

    thanks. I also noticed it appears that 2 terminals are positive right to each other and negatives next to each other. Also would I have to do the same wiring to both sides of the subs

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Click on the link to view the wiring diagram for your setup:
Four 2-ohm dual voice coil subs, 2-channel amp: 2x2-ohm loads
Four 4-ohm dual voice coil subs, 2-channel amp: 2x4-ohm loads

The 2 positives and 2 negatives on each side of each sub is the Dual Voice Coil wiring terminals. Each voice coil has its own wiring terminals.

Posted on Apr 09, 2011

  • Jeremy Moore
    Jeremy Moore Apr 09, 2011

    Follow the wiring diagram and you will do fine.

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Pace posted on Saturday, March 05, 2005 - 01:08 GMT Your subs are dual 4 ohm voice coils so if you want to bridge your 2 channel amplifier to your two subs then wire them parallel, meaning the + to + and - to - ( Do this to both subwoofers), Then run a wire from one positive and one negative on each sub and bring the two positives together and the two negatives together and hook both positives to the far positive connection on your amp and connect both negatives to the other negative on your amp,

This will create a 4 ohm load on your amp.

Although if it's a two channel and you have two subs it's usually pointless to bridge them because if you use one channel per subwoofer its going to be the same as if both subs were bridged. example) 800 watts x 1 bridged power of your amplifie (4 ohms) is the same power as 400 watts x 2 at 2 ohms.

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It really depends on what subs you are mounting in the box. If you are mounting single voice coil subs, it's easy. positive of the sub goes to positive on the inside of the box and the negative of the sub goes to the negative of the box. Then you would repeat the process for the other sub. Then wire the box to the amp using the push or screw terminals.

Now if you have dual voice coil subs, that's where it can get tricky. You really have to know what amp your using and what ohm load it can handle, and how many channels you will be using.

I'm going to give you an example that has two dual 4 ohm voice coil subs. Let's assume you will be hooking them to a 2 channel amplifier that is 2 ohm stable.

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OK, first make sure what ohm load your amp can handle. This is always the first step. There are a couple of ways to wire this thing.

1. 2 channel, 2 ohm stable amp. Go from the positive of the left channel to the positive of two of the voice coils. Then go from the negative of the left channel to the negative of the matching voicecoils. Repeat with the right channel to the other two voice coils. You have set up a pair of parallel series. Four 4 ohm voice coils are now two 2 ohm loads.

2. Monoblock amp (single channel) 1 ohms stable amp. Go from the positive of the amp to all 4 of the positive posts on the sub. Then go from the negative on the amp to all 4 of the negative posts on the sub. You now have a 4 way parallel set up giving you a 1 ohm load.

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