Troubleshooting
No Sound
Check these in order:
Check to make sure you gave the app "Microphone" permissions.
On first launch, there should have been a Mac alert asking for permission
If you missed it, go to System Settings → Privacy & Security → Microphone → enable Standalone
Is the audio engine active? Look for green ACTIVE light
Is output muted? Press M to unmute
Check output device in Settings - is the right interface selected?
Check input device - is your guitar input selected?
Check input levels - is the input meter showing signal?
Check MASTER volume - is it turned up?
Audio Glitches / Crackling
Causes and fixes:
Buffer too low
Raise buffer size to 128 or 256
CPU overload
Reduce number of plugins
Background apps
Close other audio apps
Wi-Fi/Bluetooth
Disable if not needed
External drive
Move session to internal SSD
High Latency
Reduce latency:
Lower buffer size (64 or 32 samples)
Use lower sample rate (48000 vs 96000)
Reduce plugin count
Use lighter plugins (some amp sims are heavier than others)
Realistic expectations:
64 samples @ 48kHz = ~3ms (unnoticeable)
128 samples @ 48kHz = ~5ms (comfortable)
256 samples @ 48kHz = ~10ms (slight delay)
Plugin Won't Load
Try these:
Wait - some plugins take 10+ seconds to initialize
Restart audio (⌘⌥R)
Remove plugin and re-add it
Check if plugin works in another host (Logic, GarageBand)
Update the plugin to latest version
Contact plugin manufacturer if issue persists
Plugin Crashed
Standalone isolates plugins - a crash won't take down your whole rig.
If a plugin crashes:
Other plugins should keep running
Remove the crashed plugin
Re-add it (often fixes the issue)
If it keeps crashing, the plugin may have a bug - contact its developer
App Won't Launch
Check macOS version (requires 14.0+)
Try right-click → Open (bypasses Gatekeeper on first launch)
Check System Settings → Privacy → Microphone—ensure Standalone has access
Delete preferences and restart:
Can't Save Recordings or Presets
If you denied folder access on first launch:
Open System Settings → Privacy & Security → Files and Folders
Find Standalone in the list
Enable access to required folders
Restart Standalone
Interface Not Showing Up
Disconnect and reconnect the interface
Check System Settings → Sound - is it visible there?
Restart Standalone
Restart your Mac
Update interface drivers
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