Amp wiring help for 2 1-ch and 2 4-ch

[10k-watts]

New DIY and 1st build...how do I get signal to amps when I only have 1 sub out and 1 4ch out? And how do I add gain control knob? What rcas do I need?

Mr. 10K

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[huberoy123 10+ year member]

It would be helpful to know what kind of vehicle, and what head-unit you are using? OEM or aftermarket.

If its an aftermarket head-unit, look at the wiring diagram that came with the amp.

If it's the OEM head-unit, try finding a wiring diagram on the internet.

Your amps should have gain control knobs on them.

You will need a 4 channel RCA interconnect cable kit. However, it appears that you will need some type of adapter to connect your cables to the head-unit,

based on your description of having one (1) four channel output.