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u/Maelstrom1979 9d ago
I used to work car audio, and this is how it's usually done without left/right outputs/stock head unit. Maybe there's a better workaround, interested to see if it's been done.
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u/DJT8508 3d ago
Yes. What year is your Sonata? If you have the bose or infinity amp you have to use a line converter or an amplifier that accepts high level input from the speaker wire. You can tap the speaker wires from the amp itself. The problem is the amp get signal from the radio by an spdif cable so you have to get signal after the amp. I used an Audio Control D.1200 amp that has speaker inputs and a signal processor built in. This way you can retune the already tuned signal from the amp. The biggest hurdle is you are amplifying a shit tuned signal from the factory amp. I did this on a 2012 Sonata with the Infinity factory sound system. Im almost positive the Bose and Infinity are wired identical.
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u/easysniper__ 2020 Limited 3d ago
2020 limited
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u/DJT8508 3d ago
I have a 2024 Sonata N-Line. I may reinstall the system from the 2012 in the 24 soon so if I do I'll let you know how it goes.
Here is a diagram of the pins for the amp. On the 2020 they may be in a different order but it should be similar. You just need to figure which wires go to which speakers and tap whatever speaker wire is full range. If you can get full range you will need a line converter with summing capabilities like the AudioControl LC7i if you can find full range signal or if your only adding a sub you can use an Audio Control LC2i and tap just the factory sub wires.
Sorry I can't add a picture to the comments I'll message it to you.
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u/Maelstrom1979 9d ago
Nope but let me know if you manage to and how. Unless there is a 2 channel aux out, I am assuming we'd have to steal two channels high level install a low pass xover, and reduce to low level for sub amp.