This B&H Kit includes an Akai MPC500 Portable Music Production Station, pro studio headphones, 128MB of extra RAM and an equipment bag to carry your MPC500 and accessories. The MPC500 features a pattern-based 48-track sequencer with 16 MIDI channels. It also features a 32-voice drum/phrase sampler with up to 128MB or RAM. The kit adds an additional 128MB of RAM for your system. It also comes with pro studio headphones and an equipment bag to carry it all. The MPC500 is powered by six AA batteries as well, which further increases portability.