Zoom G5n Multi-Effects Processor for Guitarists 68 of the highest-quality digital effects onboard, plus 10 ultra-realistic amp and cabinet emulators 100 custom-crafted effects chains by pro guitarists, up to nine effects deep Built-in expression pedal for real-time control Stereo/mono Looper allows recording of up to 80 seconds Use as a USB audio interface with Mac/Windows Power: AC adapter DC9V (center minus plug), 500 mA (ZOOM AD-16)