RCA's - 3 outputs and 2 inputs


Silver Member
Username: Jwbulger79


Post Number: 120
Registered: Nov-04
I've got an Alpine 9827 HU that has front, rear, and sub RCA outputs. I'm running to a 4 channel amp and powering a set of comps and a 12" sub.

Obviously I run the sub output to the rear channels of the amp, and the front output goes to the front channel input of the amp.
What do i do with the third set of RCA outs - the rear output?

Do I get a y adapter and combine the front and rear RCA out to the front inputs on the amp?

Do I just leave it alone and fade the HU all the way to the front?

thanks ya'll.

Silver Member
Username: James1115

Wilton, Ct

Post Number: 549
Registered: Dec-04
leave it alone there is no way you can fade it anyway. Just run the front RCA's back and fade it to the front. What I would do is run them back anyways just tuck them away because in the future if you buy a new amp just for your sub you can just plug it in and change the wires and have the 4-channel for front and rear and amp for subs without having to take out the head unit again.
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