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External speaker wiring for iPod

Discussion in 'Electrical Engineering' started by mike, Oct 2, 2009.

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  1. mike

    mike Guest

    I bought a bargain external speaker and mic for an iPOD. I wanted to
    play a tape recorder device direct into the speaker by plugging the
    speaker + mic into the 3.5mm (1/8 inch) output of a tape recorder.

    It wouldn't work even when changed some of the connections after I
    had checked the pinout for the four connectors on the 3.5mm plug and

    When I opened up the external speaker + mic there was circuit board.
    What does the circuit board do?

    http://tinypic.com/view.php?pic=2j31sue&s=4

    And why does the speaker have four connections ???
     
  2. Yep. That puppy's not gonna work without external power (5 volts, I'm
    guessing?).
     
  3. Ken

    Ken Guest

  4. What is? That you are a retarded fool?
    We all already knew that.
    Go away, boy lover.
     
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