Akai MPD 32 USB/MIDI Pad Controller – 16 MPC-style velocity- and pressure-sensitive pads with 4 selectable pad banks for a total of 64 pads. 8 assignable faders for transmitting MIDI control change data and 8 assignable 360 degree knobs. REW, FF, STOP PLAY and REC buttons that transmit MMC messages to DAW/sequencing applications. USB powered.