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Short answer

macOS stops at 100%. Tuno can boost an app’s volume up to 150% or 200%, which makes quiet videos, podcasts and calls easier to hear on MacBook speakers.

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In macOS

macOS has no volume boost. The Music app’s “Sound Enhancer” and the “Loudness” setting in some apps help a little, but only inside those apps.

With Tuno

  1. 1

    Open Tuno and allow “System Audio Recording”.

  2. 2

    In Tuno › General, set “Maximum volume” to 150% or 200%.

  3. 3

    In the menu bar panel, drag the app’s slider past the marker at 100%. Boosted levels are shown in orange.

  4. 4

    For all sound at once, try the “Loudness” equalizer preset.

Download for MacMore about App Volumes ›

macOS 15 or later, Mac with Apple silicon.

Frequently asked questions

Will boosting damage my speakers?

Tuno uses a limiter to keep the sound from clipping. As with any speaker, very high levels for long periods are not recommended.

Can I boost only one app?

Yes. The boost is per app, so a quiet video can be louder while everything else stays the same.

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