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    zeruin's Avatar
    zeruin is offline Junior Member

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    RCA preout question?

    Hey guys.. How exactly do RCA preouts work with a headunit that only has 2 sets of preouts?? I'm looking to install 2 amps, a 4ch for the front/rear speakers and mono for a pair of subs. I'm looking into the Clarion CX609, it has preouts labeled, Front, Rear/SW.

    Question: If I hook up the 4ch amp to the Front preouts and the mono sub amp to the rear, will I still be able to fade the rear speakers from the headunit, or will that control/fade the subwoofers? What are my options for wiring everything up to the source? Would I be better looking for a 6ch headunit?

    btw.. I'm really set on the Clarion CX609, simply for the design and display.. it looks like a stock double din source, and allows me to adjust the color of the display/buttons.. I drive a Ford, so all my buttons in the truck are mostly green.

    look here for an idea what I'm looking for >>>

    I'm willing to consider other headunits just so long as they can be able to have green lights.. lol but I don't want or need a DVD/GPS capable headunit.

    2008 Blackout FX4 - 6" Procomp, 35" Toyo MT, 20" Procomp 7005 wheels, 4.56 Yukon gears, True-dual Magnaflow exhaust, AF1 3.0" intake, VMPtuning X3, and a lot of black spray paint.
    -Exhaust clip-

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    adam71's Avatar
    adam71 is offline P9 = Ultimate SQ

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    Re: RCA preout question?

    On that head unit it will have a setting for using the rear preouts as REAR or SUB which is non-fading. Just choose the SUB/non fading setting.

    Source Unit: Pioneer P9 combo
    Tweeters: CDT DRT-25 Silk
    Mids: CDT ES-5 (5.25")
    Midbass: CDT M6 (6.5")
    Subs: Pioneer TS-W12PRS
    Mid & Tweet amp: Pioneer PRS-X340
    Midbass Amp: Pioneer PRS-X720
    Sub Amp: Pioneer PRS-X720

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    m2002brian's Avatar
    m2002brian is offline Member

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    Re: RCA preout question?

    To answer, yes you COULD fade but it would have to be done at the amp (gains). Because you only have 4 channels, you would most likey hook up 1& 2 to the front and 3 & 4 to the sub (set as Non Fading). THEN take 1 & 2 and Y split them at the amp to get full use of your four channel. If you want to fade at the Deck you'll have to find a better option. (OR if you'll only be fading 1 direction you could use that signal to Y split to the mono amp. OR if your mono amp has preout, send that preout back to the four channel to which ever direction you won't be fading)

    Vehicle: 1995 Lexus LS400
    Deck: Kenwood KDC-X993
    FULL amp: Polk Audio PA500.4
    BASS amp: JL Audio 1000/1 (Running at 4 ohms)
    SUBS: 2 Alpine Type R dual 4
    Fronts: Rainbow SAX 230.20 5.25" 2-way Comps
    Rear: Rainbow KX 230 5.25" 2-way Coax

    soon to upgrade door speakers to 6.5" Rainbows

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