This listing is for a mint condition Antelope Audio Zen Tour audio interface. This is a great audio interface with top notch A/D, D/A conversion and great clocking. It has 4 Mic/line combo preamp as well as 4 hi-z/line inputs for connecting guitars or other line instruments. It has many other features including reamp inputs and adat inputs to further expand the in/out capabilities of this unit. The Zen Tour Launcher software includes many DSP processors from compressors, to eq's, to amps for a variety of sources. This is a very versatile and mobile recording interface with stellar sound quality. It comes with the original box, usb cable, owner's manual, and cleaning cloth. If you have any questions, feel free to ask, thanks!