rca help

[f0x40und]

I'm hooking up a new audio system I got 2 alpine type s 12 inch 4 ohms hooking up to a power acoustik ps4-1200 I'm trying to wire my subs up by bridging channels 1/2 and 3/4 and I just bought the rca y splitters and here is where I get confused the rca inputs are not color coded I'll upload a picture to show what I mean but channel 1,2,3,4 are just black so how do I hook up my rca cables and after that my amp had a channel switch on it for 2 3 4 witch one should I have it set on the pictures I upload are of the rca splitters I'm working with and the rca inputs on my amp that are just all black thanks for anyone who can help

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[f0x40und]

sorry that's my amp i uploaded the wrong one before

 

[CSCStang]

That amp will not be nearly enough to power those Alpines man. You need a mono block that runs 800-1000rms to power them correctly and that will not even come close. But, to answer your question, it doesn't matter how you hook the Y connectors up. Just plug in all 4 channels and bridge it. Switch it to 2 channel. You're running subs so it doesn't matter. Make sure each sub is wired in series though cause that amp can't handle 2 ohms bridged.

 

[f0x40und]

Alpine SWS-1242D 12" subwoofer with dual 4-ohm voice coils at Crutchfield.com these are the subs I'm running I know my amp isn't enough appreciate the help a lot but will it hurt the subs to have that amp on them?

 

[f0x40und]

My whole setup was basically free so it gets me by for now lol