The 2880 offers the familiar controls of a multitrack digital recorder will add in the continuous stereo and monoluping function with the track control with multi-trap loops created and overlaid in a performance situation live with ease it has a non-compressed 44.1 kilohertz 16 bit CD quality audio sound the loop speed changes over a two octave range and you have reverse playback and overdub mode mini clock sync of course USB port enables backup restore from PCS and Apple and there's an overdub punch in function for recording .very simple transport controls and you can quantize or non-quantize free running modes using the built-in metronome create separate stereo mix down tracks and freeze tracks for reuse to be panned within the final Master stereo track . Original factory power supply included . I have two more so I don't need this one. Standalone unit no computer necessary.