DEH-X8600BH headunit with front/rear speaker amplifier and sub amplifier

[ortho]

Ok i bought this headunit DEH-X8600BH, i got 4 speaker 6,5" TS-A 1685R

the headunit got 3 RCA'S (4v) output front speaker, rear speaker and SUBS

i already got a sub amplifed and im about to amplify my speakers

should i run 3 RCA'S cable from the headunit ( 2 on speaker amp( front and rear) and 1 on subs amp ) ?

OR can i run 2 RCA's fron the front and rear output the the speaker amp then run a shorter one from the RCA output from the speaker amp to the input of the SUBS amp ?

someone on another forum said somethign about a crossover but i dont im new to the audio scene haha

thx for the hands

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[ortho]

oh btw thats the amp for the speaker ill use

NEW Pioneer GM D8604 4 Channel Class D Amplifier CAR Stereo 12V 100 W X 4RMS | eBay

 

[ortho]

oh well ill just use a 4 chan RCA cable and run everyhtign from the back of the headnunit to the amps

 

[Jeffdachef 5,000+ posts]

just spend and get dedicated RCA runs, it helps with sound-staging if you are running 4 speakers instead of just a set of components. Only crossover function you need is to turn on the the high pass filter and low pass filter to 80 hz on the headunit.