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  1. #1

    QDaMan's Avatar
    Member Since
    Jul 23, 2007
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    Michigan, USA
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    Specs:
    Mac Mini - 2.26 Ghz C2D - 2 GB RAM - 160 GB HDD
    External (Line-in) Mic Doesn't Work
    I've plugged in an external mic to the line-in and it does not work. The sound bar in system preferences shows no movement when I talk into the mic. Here's what I've already tried:

    - The mic works, I've used it many times in my PC
    - The mic is, in fact, in the line-in, not the output
    - I've tried installing "line-in 2"--it didn't work
    - I've switched the input in System Preferences
    - I've gone to the MIDI Utility and upped the mic level there, no results
    - I've used garage band to switch the input to the mic

    I'm completely out of ideas and I've tried everything I found on the subject in this forum and nothing is working. Any ideas?
    The Mind of Q
    ^ Click the MUSIC tab if you like Hip-Hop!

  2. #2

    cradom's Avatar
    Member Since
    Feb 14, 2004
    Location
    Groves, Texas
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    4,740
    Specs:
    21in. iMac 10.11 --- HP Linux Mint 18
    The line in jack is just that: line level input. Mics are not line level, they need to be amplified up to line level to work. I suggest getting an iMic from Griffin or an USB mic setup.
    Any priest or shaman must be presumed guilty until proved innocent.

  3. #3


    Member Since
    Oct 16, 2008
    Posts
    2
    Quote Originally Posted by cradom View Post
    The line in jack is just that: line level input. Mics are not line level, they need to be amplified up to line level to work. I suggest getting an iMic from Griffin or an USB mic setup.
    Ok, so this means the ONLY headset that a Mac user will find compatible for both features (headphone/microphone) will always be a USB headset? Never a stereo headset? (If I use the wrong names, please bear with me. I'm not very tech savvy or tech terms knowledgeable)

    Thanks!

  4. #4

    cradom's Avatar
    Member Since
    Feb 14, 2004
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    Specs:
    21in. iMac 10.11 --- HP Linux Mint 18
    You can use something like this: Griffin Technology: iMic
    Or get a USB headset.
    Any priest or shaman must be presumed guilty until proved innocent.

  5. #5

    QDaMan's Avatar
    Member Since
    Jul 23, 2007
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    Michigan, USA
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    Specs:
    Mac Mini - 2.26 Ghz C2D - 2 GB RAM - 160 GB HDD
    Quote Originally Posted by cradom View Post
    The line in jack is just that: line level input. Mics are not line level, they need to be amplified up to line level to work. I suggest getting an iMic from Griffin or an USB mic setup.
    Really, even just for the ho-hum Labtec mic I have? It's not a studio mic or anything, it worked in my PC. I'm guessing PC inputs through sound cards are not line level?
    The Mind of Q
    ^ Click the MUSIC tab if you like Hip-Hop!

  6. #6

    cradom's Avatar
    Member Since
    Feb 14, 2004
    Location
    Groves, Texas
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    4,740
    Specs:
    21in. iMac 10.11 --- HP Linux Mint 18
    If it's marked "Mic" on the PC input, it's probably an amplified input just for mics, built-in. Mac's have a line level input and mics don't have enough voltage to drive the circuitry.
    Any priest or shaman must be presumed guilty until proved innocent.

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