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C-DSP 8 x 12 input wiring help 7 months 1 week ago #59417

  • GrizAZ
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I have a 2022 kia niro ev with Harmon Kardon sound system with amplifier I would like to install the c-dsp 8x12 in.I would like to make sure I am installing it in the best/most correct way.   From the head unit to the factory amplifier there are three SPDIF wires; SPDIF+, SPDIF -, and SPDIF Ground, additionally there are also CAN High and CAN Low wires, and Navigation Voice wires.    From the factory amplifier to the speakers, there are 2 sets of subwoofer wires, Front right and left speaker wires, Rear right and left Speaker Wires, and Center Speaker Wire.   I would prefer to get a digital signal going into the C-DSP 8 x12 by using the SPDIF input on the C-DSP, however, as far as I am aware, a SPDIF cable should consist of one signal and one ground wire, and I am not sure how that would work with the three SPDIF wires present in my vehicle.  Additionally, I believe I would lose the navigation voice from my system as that would not be going into the C-DSP 8 x12. Alternatively, I could tap the speaker wires and use the high level inputs on the C-DSP.   I believe I would be ok with utilizing just one of the two subwoofer high level outs, along with front right, front left, rear right, rear left and center channel outputs.   I would welcome any thoughts on the best possible way to hook the DSP into my factory system.

I have attached files of my amplifiers input and output diagrams if this helps clarify my inquiry.   
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