OEM Plug in sub location without sub

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juicedgsr95

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I've got a 2019 LS with the standard stereo (no subwoofer) In the jack storage area there is an unused plug, is this for the factory sub? Can I pull an audio signal from this plug to add a sub? Anyone have the pin-out?
 

vishnu619

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That is where the bose amp would be. I would reach out to lljcustoms, they sell adapters that are plug and play to get a sub signal.

Sent from my SM-N960U1 using Tapatalk
 

Tonyv__

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GM_fan97

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Need to add amp

I am planning on doing the same - adding a JL Stealthbox to replace the stock sub/enclosure. Are you going with a small class D amp or something different?

I'm thinking of using something like this for the input and using an amp I have in inventory (JL A1400 or a JL Slash 250 v2)
https://www.audiocontrol.com/car-audio/factory-system-upgrade/lc2i/


Also might use something like this - nice and small/easy to hide
https://www.audiocontrol.com/car-audio/power-amplifiers/acm-1300/
Not sure I believe the 300 watts RMS but Audio Control has a decent reputation

I like the DSP to correct for the bass roll-off (JL makes similar products, as do others) that I'm sure Bose is doing with their DSP on the stock amp.
 

GM_fan97

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I am shocked how good the base is with the JL sub and no boxes to look at
Awesome! I had a JL 10W3v3 in a small sealed box, powered w/the A1400 mono amp, 500 watts RMS @2 ohms, in the trunk of my 97 Deville (RIP) and have been itching to get that bass performance back. The Yukon XL has a little more cabin volume than the trucks but I'm hoping performance is similar to what you're experiencing. It surely will be better than the stock amp w/cheap plastic enclosure.
 

GM_fan97

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I'm getting the stealthbox installed at the end of January - scheduled for the 29th assuming they can get it in by then. I had heard there was a delay getting those since they are nearly all made-to-order in Florida but the installer didn't seem to think it would be an issue. I'll post my thoughts on the before/after. Hoping it'll be a big upgrade and still integrate well with the rest of the system. I'm also getting the RC-1 bass knob added so I can turn it up/down from the driver's seat. Amp is going to be mounted in the cargo area, under the load floor cover thing.
 

hcvone

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I'm getting the stealthbox installed at the end of January - scheduled for the 29th assuming they can get it in by then. I had heard there was a delay getting those since they are nearly all made-to-order in Florida but the installer didn't seem to think it would be an issue. I'll post my thoughts on the before/after. Hoping it'll be a big upgrade and still integrate well with the rest of the system. I'm also getting the RC-1 bass knob added so I can turn it up/down from the driver's seat. Amp is going to be mounted in the cargo area, under the load floor cover thing.
Mine took about 3 weeks to get, their web site said 3-5 days, but we were told it would be 3-5 weeks when we ordered it. You can't believe how poor the stock one is until you replace it, really happy no boxes taking up room in my truck, and really good bass
 

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