its a digital 8 track recording studio, works perfectly and if practically brand ive only used it maybe 2 or 3 times at the most, ive had since christmas 06, and just lost intrest in using it cause ive been recording my music with my computer, its perfect for a begginer who wants to record their own music or help out there freinds, i have power supply and and owners manual, i have everything that came with it when i bought it, im asking $275 for it, pm or post here if interested