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English
17
Troubleshooting
Sound is distorted.
You’re probably overloading the input. Check that the input gain on iRig Pro Duo I/O is set properly. If the Audio
Level LED is red when you play your instrument or sing or talk into a mic, decrease the input gain as described
in this guide.
I don’t get any sound.
In order for iRig Pro Duo I/O to turn on, a Core Audio-compatible audio app must first be launched on your iOS
device or Mac.
iOS: be sure you are using an app that works with audio input from the Lightning dock connector.
Mac: be sure you have set “iRig Pro Duo” as the audio or MIDI input device on the audio app you are using.
Phantom power doesn’t turn ON.
Check that you have inserted working AA batteries in iRig Pro Duo I/O’s battery compartment, or that you’ve
connected iRig Pro Duo I/O to an external power supply.
I can’t get any sound from my condenser microphone.
Your microphone may need phantom power. Turn phantom power on by moving the iRig Pro Duo I/O switch to
the ON position and check that the Phantom LED has turned on.
I can’t get any sound from my guitar / instrument input.
iRigProDuoI/Oonlyworkswith1⁄4”MONOguitarcables.Neverusestereo(TRS)plugscablesastheiRigPro
Duo I/O instrument inputs will be muted.
When I connect iRig Pro Duo I/O to my computer or Android device I get a message that says that this
device needs more power and the USB port will be disabled. How can I use my iRig Pro Duo I/O on my
host device?
This means your USB host device is not capable of providing the necessary current. Please install two AA
batteries in iRig Pro Duo I/O in order to use it with this USB host.
I have connected iRig Pro Duo I/O to my iPhone or iPad but it doesnt’ turn ON.
iRig Pro Duo I/O only works with AA batteries when connected to iOS devices.
I use iRig Pro Duo I/O onstage and get buzzes and noises when connected to a PA system or main
mixer.
Always connect iRig Pro Duo I/O outputs with balanced TRS cables to balanced line inputs. This way your
signal will always be perfectly clear.
I do remote recording with my iPad using iRig Pro Duo I/O and two condenser microphones and the iRig
Pro Duo I/O’s battery life is very short under these conditions.
Use rechargeable high-performance AA batteries from 1,900 mA/h up. iRig Pro Duo I/O will last approx 3.5
hours in these recording conditions.
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