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Thread: 4 volt RCA's

  1. #1
    Join Date
    May 2009

    4 volt RCA's


    I've heard of some head units supporting 4 volt RCA's, What is the advantage of that?


  2. #2
    Maximum Bitrate bratnetwork's Avatar
    Join Date
    Oct 2007
    Haledon, NJ
    Stronger clearer signal to your amps. More volume, less noise. Especially over a long wire run.

  3. #3
    Join Date
    May 2009
    Would it be noticable over normal RCA's on short runs, let's say 1.5m

  4. #4
    MySQL Error soundman98's Avatar
    Join Date
    Jan 2008
    on the border of northern IL/IN
    Yes- Overall, the higher the voltage of the preouts, the less chance that something will make the audio distorted- Eclipse is even rumored(I have only heard of them, not seen them) to have made some headunits with 18 volt preouts for competition use.

    Just need to make sure the amp can take it

  5. #5
    Variable Bitrate jessekilner's Avatar
    Join Date
    Aug 2008
    18v is rediculous.. why pay that much when you can take high ouput and plug it into the low level..yeah, yeah I know its not recommended.. but it will make that amp sweat when your volume is only on 1! 8v is more than enough in the industry.infact I beleive the 8V is intended to be split between multiple amps so theres enough juice in running to multiple amps... and to think my .2mV carpc on a JL Audio amp hurts my ears..lmao..
    Did it.. Done it... now I got to keep the neighbors kids away!!

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