GarageBand Input monitor not working.

I want to play electric guitar using GarageBand and hear what I am playing through the computer speakers.

I input through a Focusrite Scarlett 2i2. I can record, and I can play back the recording throught the computer speakers so I know everything is workiing and pointed in the right direction.

But I can't play and hear what I am playing at the same time.

I have ticked the box that says 'I want to hear my instrument as I play and record.' I have monitoring enabled, and I can see a signal when I play, but no sound comes out.

It is the latest version of Garageband.

It is a 2021 MacBook Pro with Sequoia.

I have switched everything off and back on again.

Any advice welcome!

MacBook Pro 16″, macOS 15.6

Posted on Nov 9, 2025 3:00 AM

Reply
1 reply

Nov 9, 2025 5:40 PM in response to Aye_aye

Aye_aye wrote:

I want to play electric guitar using GarageBand and hear what I am playing through the computer speakers.
I input through a Focusrite Scarlett 2i2. I can record, and I can play back the recording throught the computer speakers so I know everything is workiing and pointed in the right direction.
But I can't play and hear what I am playing at the same time.
I have ticked the box that says 'I want to hear my instrument as I play and record.' I have monitoring enabled, and I can see a signal when I play, but no sound comes out.
It is the latest version of Garageband.
It is a 2021 MacBook Pro with Sequoia.
I have switched everything off and back on again.
Any advice welcome!



all I can say —


The current stable release of Tahoe including bug fixes, security updates is macOS 26.1 / Sequoia is 15.7.2

Keep your Mac up to date - Apple Support

Keep your Mac up to date - Apple Support



the current Garage Band 10.4.12 ref: https://apps.apple.com/us/app/garageband/



ref: Set up MIDI devices using Audio MIDI Setup on Mac



you can submit your bug report / feedback direct to the Product Team here:

Feedback - GarageBand - Apple



re: Focusrite Scarlett 2i2.


for your third party app— if in doubt search the developers website or contact their: Support/Help/FAQ/Known issues/compatibility/updates…


Contact a third-party vendor - Apple Support

Contact a third-party vendor - Apple Support


ref: https://support.focusrite.com/hc/en-gb


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GarageBand Input monitor not working.

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