The Mastermind GT is a controller equipped with high-performance MIDI functions that are compatible with large-scale systems. With unprecedentedly powerful MIDI functionality, this MIDI controller is capable of controlling even the largest guitar systems needed for world tours. It features an IA access switch and is designed to work well with amp simulators from various manufacturers, including the Fractal Audio AXE-FX. The unit can be easily configured using editor software provided free of charge by RJM. Preset management is also available, allowing for flexible response to setlist changes. You can also connect an expression pedal or external switch for real-time pedal control and expansion of IAs. A function is provided for switching amp channels. Multicolored LED switches with user-configurable color and function; 16 button pages configurable to perform various functions or control multiple devices; Large main LCD display shows preset number, preset name, and song name; Phantom power allows the Mastermind GT to be operated with a single MIDI cable; Multiple Mastermind GTs can be connected for use in multiple locations; Expression pedal input for sending continuous control MIDI messages to effect devices; External switch input allows one or two buttons to be added to the controller for tap tempo and other settings; Function switch using TRS jack allows amp channel switching or pedal switching; USB port for direct connection to PC or Mac; Onboard edit menu allows basic settings for device, MIDI CC, PC, and note messages; Editor software for PC and Mac allows additional configuration, including full control of button assignments・Number of instant access buttons, preset buttons and bank size are all user definable - any button can be assigned to any function・768 presets, 16 pages of buttons and 16 connected devices・Preset buttons can send a program change to all 16 devices with a single tap・In addition to sending program changes to each device, preset buttons can also send up to 10 other MIDI messages (any combination of CC, PC, Note or Sysex)・IA buttons can send up to 20 messages (any combination of CC, PC, Note or Sysex)・Expression pedal inputs: 4. Accepts expression pedals using TRS jacks, high or low impedance・External switches: 2 TRS jacks for a total of 4 switches. Momentary switches required.・7-pin DIN connectors for MIDI input and output・6-pin XLR connectors for MIDI connections to other RJM devices (Available on 22 button model only)・USB A connector for connection to a USB thumb drive・USB B connector for connection to a PC or Mac・Phantom power received over DIN and XLR MIDI output jacks・(XLR jacks only available on 22 button model)・Accessory power outputs: 9VDC center negative, standard BOSS-style connector. 100mA total current for both jacks combined.・Dimensions: 19.4 (W) x 11.1 (D) x 3.25 (H) inches / 49.3 x 28.2 x 8.3 cm・Weight: 8lb / 3.6kg・Power Requirements: 12VDC @ 1000mA, center positive, 2.1mm ID / 5.5mm OD barrel connector *Pre-order item