Help with install of sub


New member
Username: Catfan95

Post Number: 1
Registered: May-06
I am needing help adding a powered sub to my current system.
Current setup:
Headunit: Sony CDX-F5505X. It has Front out and Rear/Sub Out (both RCA)
Amp: Kenwood KAC-646X (4 channel). It has line level input, Line A in, Line B in, and Line A+B out.
Speakers: 4 Sony Explode 4 way (2 front, 2 rear) both 6.5 inch.

I currently have it hooked up with the RCA Front out from headunit to Line A in on amp, RCA Rear/Sub out from headunit to Line B in on amp, speakers individually hooked to other side of amp to 8 posts.

I want to add a powered sub but not sure of how to hook it all up. I MUST keep fader control as this is in a boat and the front needs to be turned down relative to the rear.

Thanks for any help you can provide.

Silver Member
Username: Adddisorder

West palm, Florida

Post Number: 285
Registered: Jan-06
ok pretty confising or maybe its because im stoned. but if your HU only has 2 pre outs fornt and rear your amp now might have a line out in that case you could jsut attatch a rca cord form that amp to your new amp. if not then just buy spliters for your rcas and split the rear channel for both amps....
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