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Dual Voice coil wiring question


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Hello fellow malibu owners!

Had a question regard dual voice coil subs. I am in the process of upgrading my stereo on my 2011 23lsv. I currently have in boats running off factory rockford amp, and there is a 10" sub under the dash, as well as 2 exile surf speakers all running off an htx6. 

I ordered a syn-4 to run a set of rev10's that I am replacing the surf speakers with. 

My question is, after adding the syn 4 to run the rev10s, the only thing running on the htx-6 is the 10" 4ohm sub. I am wanting to add a sub under the observers compartment. Since i have 4 channels open on the htx6 now, can i get a dual voice coil sub with 4ohm coils, and run 2 channels bridged to each voice coil on the sub. It would yield 300w to each coil. 

I have a jl w6 (dual 4ohm coils) in a factory box that i could rewire and fit in there if that works. 

Or would i be better off replacing the htx6 and current sub and getting a larger amp and larger single sub for under the dash?

Thanks in advance for the help. 


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Yes., you can run a 4 ohm DVC with each coil wired to 2 chnls bridged. 

I would consider a 12" woofer under the helm in  a ported enclosure or a 10" under the helm another woofer somewhere like a closed locker. A proper mono amp with the needed 2 ohm wattage.  

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The 10 was done at scream marine in Dallas. It’s a ported 10 and sounds really good for only 300 watts going to it. 

Just want a little more bass and thought since I have all those channels open on the htx I could use them to achieve a little more pound 

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Especially if they are components you already have, do it.

You will want to use a volt meter  to ensure that the coils are getting the same voltage. 

But that should be the only concern. The sub under the helm will have better sound output put the second sub will have twice the power. So it'll be interesting tunning them to compliment each other. 

But if it's equipment you already have why not try it. 


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