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1. iRig USB overview
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1. Status LED - This LED turn on blue when the iRig USB is connected to an host and turns red when the
input signal is clipping.
2. Gain knob - This knob controls the level of the input signal.
3. Instrument input - 1/4” (6.35mm) jack type - Connect your instrument here (e.g., guitar).
4. Amplifier output - 1/4” (6.35mm) jack type - You can connect an external amplifier to iRig USB thanks to
the “Amplifier output jack”. This allows you to send the processed signal (i.e. from a rig inside your mobile
device) or a direct unprocessed signal, out to your amplifier or other unbalanced input.
5. FX/THRU switch - This switch allows you to select the type of output that is sent thru the “Amplifier output
jack.”
6. Headphone output - 1/8” (3.5mm) jack type - connect here your headphones.
7. Host connection - USB Type C - allows you to connect iRig USB to your host device.