Reply To: "Audio MIDI Setup" for ST1 not working

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Hi Trevor,
I agree with you that the default would have been nice if it was ST-1, not channel 1 & 2.
I have a Qu24 and just did the same test with my Mac laptop. Here’s what I did….

Go to System Preferences and click on Sound (icon of a woofer) and choose QU24 Audio in the “Output” tab.

I then went to utilities/Audio MIDI

Open the app and make sure that the “Stereo” tab is selected at the top.
I then clicked on “Configure Speakers” in the lower right-hand corner.

For the left channel I chose Q25 and for the right channel Q26. When I clicked on the “left front” test button, I got no reading on the input LED’s of the St-1 channel. My guess is that you will need to use Q17 for the left and Q18 for the right channel.


I needed to change the ST-1 input source from “Local” to USB.
When I changed the input source to USB I had stereo audio from iTunes.


audio setup