The MPC500 is the smallest MPC ever made and is the first truly portable MPC created. It can be run on 6 AA batteries but also can be run on a 12V DC plug. It combines a 48-track MIDI sequencer and a 32-voice stereo digital sampler. The MPC500 is the first MPC that only has 12 velocity sensitive rubber pads. It comes with 16 MB RAM but can be upgraded up to 128 MB of RAM. It has a CompactFlash slot for storage of samples. One major appeal of the MPC500 is the fact that you can take a project created on the MPC500 and transfer it to any current MPC with a CompactFlash reader.

The MPC2000XL is similar to the MPC2000 but with added features; including four pad-bank keys, time stretch along with other new features. In 2004 the 2000XL-MCD version was released, which features a CompactFlash card reader as standard in place of the floppy drive or Zip drives used in earlier models. There were 4 limited edition 2000XL SE MPCs created between 2000 and 2003. There were two versions of the SE 1, one with an improved control surface, compatible with growing number of sound libraries and one with aesthetic changes.

Audio Recording
GarageBand is a streamlined digital audio workstation (DAW) and Music Sequencer, which can record and play back multiple tracks of audio. Built in audio filters allow the audio track to be enhanced for recording guitar instruments, etc. The tuning system can also effectively imitate the auto-tune effect when tuned to maximum.

Virtual software instruments

Sony ACID Pro is a professional digital audio workstation (DAW) software program. It was originally called "ACID pH1" and published by Sonic Foundry, but is now developed and sold by Sony Creative Software. When it was first launched in 1998 as a loop-based music sequencer, Acid Pro was the first-ever automatic audio loop-based music software of its kind, where someone could simply drag-and-drop an Acid loop file (for example a Drum or Bass loop) onto a track in Acid, and that loop would automatically adjust itself to the tempo and key of the song, with virtually no sonic degradation.

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