Hey I've got my guitar running through a Presonus Audiobox into a Garageband amp. I have the right input selected, but Garageband isn't getting any signal. What should I do?
Have you selected the audiobox as audio input device in garageband's preferences?
Is the audiobox receiving any audio from your guitar (leds lighting and stuff)?
Name's Luca.

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Clue: amplifiers amplify so don't turn it on if you need quiet.
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