A4 B8.5 Audio Upgrade (pics)

[yourpalcal]

Finally completing my audio system upgrade in my 2014 A4 S-Line without Nav or MMI. The sub and amp have been installed and this weekend will complete the tweeter and 6.5 replacements and audison Bit Ten D installation. Here is an overview of the system and pics of what I have done so far:

OEM integration with audison Bit Ten D (tapped into front right and left input channels) and sending signal to Alpine PDX-V9. From there powering a Hertz 10" sub and Hertz High Energy HSK 165 Comps. I removed the center channel and tweeters in the dash and disconnected the stock subwoofer. The rear speakers will remain plugged up but will fade to the front unless I have passengers.

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[Derek's A4]

Where did you find your wiring diagrams from. I have a 2015 A4 non B&O system and want to use a Bit 10 with JL Audio amps and some older Boston pro seperates and Hertz 10 inch sub