LineListen: Audio Monitor

USB, mic & line-in passthrough

Only for Mac

Free

Mac

USB audio through your Mac’s speakers or headphones, with volume and mute in the menu bar. Listen to your USB audio input, microphone, or line-in through your Mac’s speakers or headphones. Adjust volume and mute from the menu bar, with customizable keyboard shortcuts. Free, with no ads or accounts. Audio stays on your Mac. Requires macOS 15 or later. Lower buffers reduce delay; higher buffers help prevent audio dropouts.

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The developer, Flavio Lorenzo Thomi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    Flavio Lorenzo Thomi
    Size
    1.3 MB
    Category
    Utilities
    Compatibility
    Requires macOS 15.0 or later.
    • Mac
      Requires macOS 15.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Flavio Thomi
  • Developer Website
  • Privacy Policy

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