There's an onboard chromatic tuner that supports all standard guitar tunings, including open and drop tunings, and a Looper feature that allows you to record up to 30 seconds of CD-quality audio.
In addition, there are 68 built-in rhythm accompaniment patterns, and you can connect headphones to the output jack (as well as portable music players to the auxiliary input jack) for silent practice sessions. Up to 5 effects can be used simultaneously, chained together any way you like. The G1Xon offers 100 guitar effects, including a variety of distortion, compression, modulation, delay, reverb, and amp models, as well as a number of special pedal-controlled effects.