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I have a rockford fosgate 600a4 and a 700s that I'm running bridged. I'm using the 700s to power an Audiobahn ABP12 dual0 12 sub enclosure but it has 2 sets of + and - inputs, one on each side of the box for each. A dude from Rockford Fosgate told me to use the left - terminal and the right + terminal of the 700s to bridge it but which inputs do I put it into? Don't both speakers need a + and - ? I'm also going to use a capacitator for the 700s if that changes anything.[IMG]i/expressions/face-icon-small-confused.gif[/IMG]

 
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yes both speakers need a positive and a negative kinda .. dependsing on the ohm rating on the box . and subs .. i would assume that your subs are 4 ohm each ... but i am not sure so take the + to one set of speakers imputs on the box, and the negative off the amp to the other set.. and put a wire connecting the 2 .. ill show you
Series : what i suggest
+ sub1 - + sub 2 -
| |______| |
AMP +_______| |
- _______________________________| it will make the subs a 8 ohm load and then bridging it down to the amp will send it a 4 ohm load and your amp will run fine and happy .. taking the 2 voice coils in parallel wil drop it down to one ohm cutting you amp life in half at least and heating it up like a hand warmer ...

parallell : more power not safe ( for the amp or the car)
__________________
| |
+ sub1 - + sub 2 - |
| | | |
+ _______|_______________| |___|
amp |
- ___________________________________|