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DIY: Add a sub to your Bose equipped G35 Coupe

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Old 02-02-2016, 08:28 AM
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Exclamation Help Needed With Aftermarket Amp/Equalizer/Sub Install in 2008 G35 w/Factory Bose

Excellent Write Up! After reading this awesome DIYS, Im pretty sure I could have done without spending a couple hundred on a "Professional" Install...

Anyhow, whats done is done, but I was hoping to get some advice on how to Add this Clarion Equilizer(see link below) to my current set up in my 2008 G35 Sedan w/ Premium Bose & Tech Package:

I had a professional Install the wiring kit, and the harness/part that goes behind the Factory head unit( which I DEF want to keep for bluetooth, GPS...etc) I believe he has the wires running down my drivers side and terminating at the stock Bose Amp, and from there to the Amp/Sub combo I provided at the time, which is a JBL GTX 500 Mono amp pushing an Audio Bahn DVC 10.

I just recently switched out the 1 10 for a 2 sub set up when I found a pair of Rockford Fosgate Punch Z P2 10's in a sealed box for 50 bucks at a pawn shop.

So... Everything seems to be working OK right now, but I guess I have 2 Main Questions:

Question 1: I am wondering if I even hooked the new speakers up correctly. There were 2 red/black outputs on my new box (1 for each speaker) as opposed to the one from the one sub I had installed, so I just added some speaker wire and basically created 2 positive & 2 Negatives coming from the box,then hooked it back up to the positive/negative inputs currently coming from my mono Amp with a wire nut. Did I do this correctly? Im 99% sure the new Fosgate subs are 4ohm, and I know there is a way to bring them down to 2 ohms which I think may provide more power and be better for my amp?

Question 2:
I eventually plan on replacing at the very least the main front and rear speakers factory Bose speakers, but I am not able to do that right this second, and my installer basically told me it would be a waste of time/I would be a moron to install the Clarion equalizer I mentioned above. But seeing how I already own it, I wouldn't mind at least having the bass and sub control *****, as well as the additional input provided. Is there a way to go ahead and install that (preferably somewhere in the cabin, not the trunk) with the setup I have now? If not, What additional components would I need to put that in?

I know this is a super long and involved question from a Newbie, so thank you so much for ANY advice or tips, they would be SO greatly appreciated!!! Wish me luck!!!
Old 02-02-2016, 09:51 AM
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Originally Posted by LoSt180
Since the 4080 box isn't made any more, are there any opinions of the JL Audio Stealthbox? I looks like it includes a JL 10" W1v2 sub.

I'm sad i missed this. Thanks for the share.
Old 08-05-2016, 03:44 PM
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2006 infiniti g35 amp hook up stock stereo

I follow you instructions but when I turn everything on all I hear is interference noise no bass
Do you have any ideas on what I did wrong??
Old 12-12-2017, 08:41 PM
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Hey guys I have a 06 g35 sedan with factory bose interior, I'm planning on installing aftermarket sub/amp for extra bass, I'm reading that I have to tap into the factory sub or rear speakers And I believe I would have to disconnect the factory bose sub, can i still control all four factory speakers from the BOSE Unit?, I'm not to good with music also would I need to take out my actual head unit to connect anything? thanks
Old 12-12-2017, 09:05 PM
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Originally Posted by dR6 View Post
Connect everything up and 'voilà!' You should now have some very nice smooth bass. Don't forget to disconnect the rear 6x9's so they don't muddle your sound. I used electrical tape to tape the speaker harnesses down so they wouldn't rattle. I recommend playing with the amp settings quite a bit before you mount it to the backseat. This allows much more ease of access. Also, remember to close the trunk each time you change something so that you recreate how it will sound as you're driving. Also, remember it takes several hours of moderate sound levels to "break-in" your sub so take it easy. I used my fader to control my sub output and faded to the front at F3. This allows me to push my front aftermarket components with minimal interference from the stock rear speakers.

In retrospect, I probably would have went with the JL 250/1 and W3 combo and save some cash. My current setup is more than I could ever use, but I'm still very happy with it. I have the '06 with Bluetooth, so I don't want to go messing with the front amp any time soon. I would like to add an amp there, but I'm waiting for some brave soul to replace the bose amp altogether and preserve all of the features of the Bluetooth phone connection.

Feel free to add comments or question my install. I will edit it as necessary. Hopefully this helps out someone who was in my shoes but didn't know where to start. Here's a link to some reference material that may be useful:

So basically when hooking up a aftermarket sub and amp, the factory rear speaker and factory sub won't be in use correct me if I'm wrong
Old 12-12-2017, 10:51 PM
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Originally Posted by SilverSurfer01 View Post
So basically when hooking up a aftermarket sub and amp, the factory rear speaker and factory sub won't be in use correct me if I'm wrong
You're wrong. See the answer in the other thread you posted the same question to.
Old 12-12-2017, 11:27 PM
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Originally Posted by Wrathernaut View Post
You're wrong. See the answer in the other thread you posted the same question to.

Yup I was trying to get a fast response thanks again

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