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Thread: Wiring 3.5mm cable to car speakers

  1. #1
    Join Date
    Apr 2011

    Cool Wiring 3.5mm cable to car speakers

    Hey all,

    Long time reader, first time poster.

    Quick question. I'll be working on a car computer and various other car electronic projects over the next few months.

    My question for now is, is there a way I can wire up a 3.5mm headphone cable (cut up) into my speakers directly?

    I figure this is possible - the copper in the headphone jack would just connect straight to the speaker wires, right?

    I stripped off a 3.5mm cable and tried wiring it to 2 of the speaker wires - no sound output.

    Can anyone offer me any ideas?


    - Whitey

  2. #2
    Join Date
    Jan 2010
    Rochester Hills, Michigan, United States
    the problem your going to have is you dont have the wattage the speakers require to work, you need to have an amp of some sort... 15 watt rms would do it.... but 25 to 35 would be great

  3. #3
    Maximum Bitrate kegobeer's Avatar
    Join Date
    Nov 2010
    Panama City Beach
    The short answer is no, you can't just hook up a stereo headphone cable to your car speakers. Car speakers require external amplification, which is delivered by either a head unit or an amplifier.

  4. #4
    MySQL Error soundman98's Avatar
    Join Date
    Jan 2008
    on the border of northern IL/IN
    technically, you can connect speakers to a headphone jack off the pc. but they will probably be so quiet that you won't be able to hear anything unless the car is off, and you have your ear next to the speaker...

    there are tons of very small, very cheap amps that have very recently been flooding the market-- check parts express just for a small sample..

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