# No audio Scaler 3 Mac Standalone but Scaler 3 plugins work

**URL:** <https://forum.scalermusic.com/t/no-audio-scaler-3-mac-standalone-but-scaler-3-plugins-work/21685>\
**Category:** Fixed\
**Created:** [April 14, 2025, 9:10pm UTC](https://forum.scalermusic.com/t/no-audio-scaler-3-mac-standalone-but-scaler-3-plugins-work/21685 "2025-04-14T21:10:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![stuzog](https://yyz2.discourse-cdn.com/flex012/user_avatar/forum.scalermusic.com/stuzog/32/11703_2.png) [@stuzog](https://forum.scalermusic.com/u/stuzog)\
**Post date:** [April 14, 2025, 9:10pm UTC](https://forum.scalermusic.com/t/no-audio-scaler-3-mac-standalone-but-scaler-3-plugins-work/21685/1 "2025-04-14T21:10:40Z")

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Mac mini M4 Pro  
MacOS Sequoia 15.4  
Scaler 3 v1.0.3  
SoundSource 5.8.2  
– Audio Engine: ARK Plugin (12.2.2)  
PreSonus AudioBox iOne

Was having problems for a while with Scaler 3 Standalone not outputting audio for several minutes, then suddenly working. Now, there’s no audio output at all from the Standalone, but the various Scaler 3 plugin versions all work in Bitiwg. It could be something to do with SoundSource – I’ll also contact them.

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**Author:** ![stuzog](https://yyz2.discourse-cdn.com/flex012/user_avatar/forum.scalermusic.com/stuzog/32/11703_2.png) [@stuzog](https://forum.scalermusic.com/u/stuzog)\
**Post date:** [April 14, 2025, 9:55pm UTC](https://forum.scalermusic.com/t/no-audio-scaler-3-mac-standalone-but-scaler-3-plugins-work/21685/2 "2025-04-14T21:55:56Z")

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FIXED Now audio working in Standalone after rebuilding macOS Launch Services Database. Go figure.