Instrument Input: A 1/4" (6.35mm) jack to connect standard guitar cables coming from electric guitars, basses, or acoustic-electric instruments.
Device Connector: A built-in 1/8" (3.5mm) TRRS analog plug that connects directly into the headphone jack of an iPhone, iPad, iPod Touch, or compatible Android device.Audio Output: A 1/8" (3.5mm) stereo headphone jack that lets you monitor your playing in real-time or send the signal out to powered studio monitors, mixing boards, or a physical amplifier