This item is brand new and still sealed in the box. The most powerful and easiest-to-use Dr. yet. The Boss Dr. Rhythm DR-880 Rhythm Machine is a rhythm-programming powerhouse loaded with world-class drum, percussion, and bass sounds from Roland's famous SRX library. It also includes a stunning collection of original waveforms. You can get microscopic in programming the DR-880, but you also have the option of taking the simple route with its 3 EZ Compose buttons that allow original patterns to be constructed without note-by-note programming hassles. Patterns can be taken deeper with the Groove Modify feature, where various groove and triplet feels can be applied. Ghost notes and fills can also be added automatically. Guitar and bass players can join the action by plugging directly to the DR-880's Guitar/Bass Input jack, and playing through the built-in COSM Drive/amp models and multi-effects. Boss Dr. Rhythm DR-880 Rhythm Machine Features: Innovative EZ Compose feature for quick, hassle-free programming 440 world-class drum and percussion sounds 40 bass sounds with COSM bass-amp models Guitar/bass input Multi-effects COSM amp models 3 independent insert effects (EQ and compression), TSC (Total Sound Control) featuring 3-band EQ and high-quality ambiance 1,000 patterns (500 preset, 500 user) Easily add fills, ghost notes, chord progressions, and more 20 velocity-sensitive pads 4 assignable footswitch and expression-pedal inputs Individual outputs, digital out, USB port If you ain't got rhythm, order the DR-880. The doctor has plenty. Also there is a 30 day warranty and a full refund if the item is not as it is described.