Check the listing for details. KAT Percussion MalletKAT GS Pro MIDI Percussion Controller. Condition: New. Listed at 3599.00 USD. Upgraded MalletKAT Performance The MalletKAT GS Pro MIDI percussion controller from KAT Percussion retains the functionality of the MalletKat 8.5, but with an upgraded twist. The onboarded sounds of the MalletKat match its predecessors, in addition to adding a pool of utilities to experiment with, providing over 1,000 total instruments. With a collection of effects like reverb, chorus, and envelop manipulation, you'll be able to find your perfect sound in any musical situation. The MalletKAT GS Pro also retains it's MIDI interface and can connect to your DAW of choice for easy recording. Though capable of providing 3-octave sounds straight out of the box, the MalletKAT GS Pro boasts the ability to expand to four or five octaves, letting you explore the entire range of your mallet skills.