I have a question about the rca outs

I read that they are 4volt, that is good, but is there a front, rear, and subwoofer out?
and can u just rip out the cd changer and stock navi unit and stock dsp to make room for a 4 channel and a mono amp?

you have to keep the radio module I guess

I have dsp and stock navi, and my dsp amp is giving me issues, I loose front left and rear left speakers and tweets intermittedly .

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04 black on sapphire 4.8is personally put 90,000kms
fully loaded minus the fold out trunk floor
-20' DUB X10 3 piece rims staggered setup
-LED angel eyes + interior lights + e70 style shifter
-AFE stage 2 intake system
-x-pipe/resonator delete
-UV coat windshield
-rebuilt Pano roof
-dynavin N6
-all front and rear end suspension parts and both front cv shafts replaced
-OEM hitch

And 2007 GSXR750