The akai mpd218 is a usb midi controller with a 4x4 mpc pad matrix and 6 assignable knobs, each with 3 banks. In total, there are over 48 mpc pads available, as well as 18 freely assignable 360 ° rotary controls. The pads are backlit in red and have good pressure and touch dynamics. The mpd 218 only has one usb port, which makes it very easy to connect to an existing setup. The usb connection also provides power and data exchange. In addition, the connection is class compliant, so that an ipad with the camera connection kit, for example, has access to the functions of the akai mpd218.