radio setup

just run RCA's to the amp(off rear RCA ouputs of stereo) and use it in 2 ch mode for the sub, and wire the 6.5's to the head unit.

It will sound a lot better if you amplify the 6.5's with a amp.

ban-one said:

i have they sony to power the 6.5 speakers and will get a sec one for the sub but will the 2 pre amp outputs work ithe the two diff amps? or will i hsve to use the low wire setting on the amp and not the rca connectors?

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The RCA outputs are just front and rear.It looks like yours is a front/sub out put.Just use the sub out to connect to the amp, and that way you can control the crossover from the head unit

your pioneer radio has the option of using the rear out put for rear speakers or subs. So you can either use it to control your subs or use it for your rear speakers. This option is in the menu when you turn the unit off hold the function button then scroll through till you see the option it will read something like F/R or F/S. If you use the rear channel to run your subs you will loose fad control but it will work fine. that is how i wuold run it. you will either have to change your input on your 4channel to - 2channel input which i think you said it was a pioneer amp which should have that option. if not just use spliiter on the 4 channel and run the rear channel to your sub amp.