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Discussion Starter #1
Hey guys! I've been all over this amazing forum since I first got my 2011 outback 3.6r a few years ago.

I know others have documented their audio installs, but I'm hoping to get more direction.

I'm trying to add an amp and subwoofers to my factory harmon kardon system (not sure if I have premium model, but I do have factory touch screen navigation) by connecting the factory sub wires to a line out converter, which will then send signal to my amplifier. I can either do this off the amp under passanger seat, or rip off all the molding to get to connections on sub in rear cargo area.

I have a couple questions specifically

1) which is easier to connect to - under seat or at sub?

2) wire color descriptions. There has been some confusion on this DVC subs wiring colors and polarity. I need to know for sure the colors and polarity are correct before I power the LOC, I'm told it will ruin internals if polarity is backwards.

3) anyone have sucess installing class D amplifier under cargo floor where spare tire goes? There's a perfect little compartment in there for my amp, I'm just worried about overheating and airflow. I've seen many other members install here, just haven't read anything about amp failure shortly after.

Thank you so much in advance for your help and guidance!
 

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Discussion Starter #4
Finally got this figured out. If you remove the rear paneling on passenger side to access subwoofer you'll see the R117 4-wire connector for the dual voice coil subwoofer.

The wires coming from the Harmon Kardon amplifier under passenger seat are Blue, Blue/White, Green, and Pink. The wires going to sub are red, black, green and yellow.

I connected, using vampire clips, to wires coming from amp. I tied in to BOTH voice coils and connected to inputs on the AudioControl Line Out converter (https://www.amazon.com/gp/product/B00IIL0LW0/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1).

Polarity is important when connecting to the line out converter, see colors below.

SUB1:
Blue/White = (+)
Green = (-)

SUB2:
Blue = (+)
Pink = (-)

Mounted the class D 1500w rms and line out converter under rear cargo floor where spare tire is, the foam pad is perfect. I will be adding 2 12v computer fans to help circulate air, even though i've been assured there's plenty of airflow back there and my amp has overheating protection - can never be too safe.

Hopefully this helps others who attempt. I can post most pics of install if wanted.
 

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