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      11-18-2016, 06:45 AM   #1
SleekX3
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2016 X3 JL Audio Focal System Project

I upgraded my 2016 X3's Hi-fi stereo system and added the retrofit navigation system by Harmon. Focal K2 100 Powers separates were installed for the front & rear doors, a 6 channel JL Audio 600 watts amp and single channel JL 600 watts amp went under the cargo area, a JL Fix 86 was placed in the back side panel, and a 10" JL sub was also added. I'm still contemplating whether to upgrade it to a 12" sub. I'm currently waiting for my Rockford Fosgate 8" slim fit subwoofers to arrive which will replace the factory subs under my seat. Name:  IMAG0110-768x1358.jpg
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Has anyone added a third pair of separates elsewhere in the SUV? Has anyone replaced the center speakers in the dash? Thanks
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Last edited by SleekX3; 11-26-2016 at 03:33 AM..
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      01-06-2017, 07:50 AM   #2
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Dear Sleekx3,
Thank you for your sharing.
I have a X3 F25 also but with the base stereo, which mean no stock amplifier. So I suppose that the 6 stock speakers are connected directly to the HU.

I am currently buying MB Quart (4x10cm for doors and the 2 underseats 20cm sub)
I am planning to buy 2 amplifiers : 1x4ch and 1x2ch, and one DSP.
Could you please help me for the following questions :
- why have you chosen a 6ch not 4 ch ?
- which speakers will be connected with the 6ch amp ?
- which channel and how many wires are connected to yoir JL DSP ?
- from where do you take the wires to plug to the DSP ? (from HU or from strock amp) ?
- how do you split the frequencies ? (tweeter, midwofer, 8" underseats, the 10" or 12" ?)

Many thks
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      01-19-2017, 02:17 AM   #3
SleekX3
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Focal JL System Upgrade

Hi Jim,

I upgraded my amp to an 8 channel JL audio amplifier. Also, I've decided to go with a 10" JL sub which is powered by a 600 watt mono block JL audio amplifier. Currently, the shop is also modifying my door panels to fit 6 1/2" Focal woofers. Pictures of the modifying process are shown below.

Channels 1&2 powers front doors' Focal 4" woofers and tweeters

Channels 3&4 powers front doors' Focal 6 1/2" woofers

Channels 5&6 powers rear doors' Focal 4" woofers and tweeters

Channels 7&8 powers 8" Rockford Fosgate subs under seats.

JL AUDIO Mono block powers 10" JL sub.

That's pretty much it. Everything has been professionally installed by skilled technicians who are certified to do the customized work. I hope this helps.
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Last edited by SleekX3; 01-19-2017 at 02:55 AM..
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      01-19-2017, 02:22 AM   #4
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Focal JL System Upgrade

I've also installed Rockford Fosgates 8" subs under my seats. They replace my stock subs. All of the work is being done by Progressive Auto Sounds in Aiea, Hawaii. Thanks Bill Murakami and his team for a job well done!
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Last edited by SleekX3; 01-19-2017 at 02:32 AM..
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      01-20-2017, 01:48 AM   #5
SleekX3
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Modifying the door panels to fit 6 1/2"Focal Woofers

Cheeho
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Last edited by SleekX3; 01-22-2017 at 10:20 AM..
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      01-22-2017, 10:22 AM   #6
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Focal 6 3/4" Woofers for front doors

Mission accomplished
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Last edited by SleekX3; 02-02-2017 at 05:11 AM.. Reason: Will add st bottom
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      01-24-2017, 01:57 AM   #7
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Focal JL System Upgrade

Part of the behind the scenes process.
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Last edited by SleekX3; 01-26-2017 at 06:08 AM..
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      02-02-2017, 05:14 AM   #8
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Focal 6 3/4" Woofers for front doors

Completed pictures
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      02-05-2017, 08:05 AM   #9
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Focal JL System Upgrade

Turbo!
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      02-15-2017, 08:13 AM   #10
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Nice

I love the custom doors very nice. I went with a Helix DSP feeding a 6 channel Z Zapco 150.6 LX, to Dyn audio m 102 tweeters, 430 mids and Jehnert xe 200 mid bass under seat all in stock locations. Then added a JL XD 600.1 to feed a JL sub. Custom tuning is crucial. I'm sure your system
must now really rock.
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      03-04-2017, 03:19 AM   #11
SleekX3
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Focal JL System Upgrade

Thanks, your system sounds like a great set up too. I'm planning to install the JL Twk88 as well to better tune the system.
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