MPC 4000 used scratches and scuffs normal wear and tare all buttons work USB works front and back CD player works screen has horizontal line going across but does not effect viewing area all ins and outs work comes with power cord and printed manuals and all the wav sample from MASCHINE and 15 expansion packs from NI in .Wav format of drum sounds only also has 512mb ram 80Gb HDD and effects board installed. It also reads emu emulator 3 and 4 Roland s700 series Akai s1000 s6000 s5000 z8 z4 sounds. Also you can do a lot with this sampler you want that old school hip-hop sound this baby lets you resample your beat you just made or incoming audio at from 24 bit down to 8 bits and from 96khz down to 4khz so you get that dirty sound