This is an SP-303 Dr. Sample sampler. The AC adapter is missing, so the operation has not been confirmed. It is being sold as junk. *The main unit only. Adapter, box, and memory card are not included. *Please understand that this is a junk item due to unconfirmed operation before purchasing. No claims or returns accepted. Search words: Roland SP-303 Roland SP-404 SP-404SX SP-404MK2 SP-505 BOSS Sampler Dr. Sample Vinyl Simulator Hardware Sampler J Dilla Madlib Madvillain Boom Bap Lo-fi HipHop Chillhop Beatmaker Akai MPC MPC2000XL MPC1000