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So the ole Jeep is lacking in the sound department, so I decided to make some changes. I installed Alpine 6.5 SPS-610 in the sound bar, but to really fill out that low end I put in a P300-10 Rockford Fosgate powered sub. After doing some research that is what I went with. It has high level speaker inputs, so I removed the dash (which was easier than I thought) and spliced into the front speakers (after some reading it was suggested to splice into the front speakers rather than the sound bar speakers). The powered sub also has a setting to be turned on using DC Offset. The manual says that is uses the 6v signal from the speaker level inputs. The hardest part of the whole install was running the wires under the door sills. I very carefully pried up the fasteners taking extra care not to break them and then removed the door sills. The last thing I did was run the remote gain control under the center carpet to the center console and installed it using velcro right under the console lid latch.

I am very pleased with this sub. It will definitely rattle the windows...it you turn the gain up enough.
 

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I just did a sub install myself and used the sound bar I two into. I wanted to steer very clear of having to rip open my dash, as the jeep isn't even a month old.

What is the advantage to using the front speakers as opposed to the rear as your tap for the LOC?


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So the ole Jeep is lacking in the sound department, so I decided to make some changes. I installed Alpine 6.5 SPS-610 in the sound bar, but to really fill out that low end I put in a P300-10 Rockford Fosgate powered sub. After doing some research that is what I went with. It has high level speaker inputs, so I removed the dash (which was easier than I thought) and spliced into the front speakers (after some reading it was suggested to splice into the front speakers rather than the sound bar speakers). The powered sub also has a setting to be turned on using DC Offset. The manual says that is uses the 6v signal from the speaker level inputs. The hardest part of the whole install was running the wires under the door sills. I very carefully pried up the fasteners taking extra care not to break them and then removed the door sills. The last thing I did was run the remote gain control under the center carpet to the center console and installed it using velcro right under the console lid latch.

I am very pleased with this sub. It will definitely rattle the windows...it you turn the gain up enough.
Got any pics of where it is mounted? Would love to add a sub, but don't wanna take away from the storage in back to much.


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What is the advantage to using the front speakers as opposed to the rear as your tap for the LOC?
The factory output for the surround (sound bar speakers) is much lower than for the dash front speakers. The sound bar speakers are more for filling in the sound and are underpowered for what they are (essentially equal to the fronts in size and rating). Change your fader to full rear, then full front and you will hear the difference. There are threads on how to get around this on some forums. That said, I have upgraded all mine on this Jeep and my last, and I haven't found the need yet for an amp at this point.
 

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Interesting... Honestly I'm quite happy with having used the sound bar to tap my LOC into. I can fine-tune the bass output without over doing the bass in the speakers themselves. That and as I said before, I wanted to stay away from ripping open the dash.


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