
RJM MasterMind GT10
Product Condition
Brand New | Unused, as sold. |
---|---|
Mint | Like new, no flaws. |
Excellent | Barely used, very minor wear. |
Very Good | Light wear, fully functional. |
Good | Visible wear, plays fine. |
Fair | Heavy wear, still playable. |
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Description
Description
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
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
For orders exceeding Paypal’s transaction limit of 1 million yen, we will provide more details. For secure transactions, items will only be shipped to the address registered in your Paypal account.
Regarding detailed information and contact information to us, please check FAQ.
Please Note
The following information applies to international orders.
■ Condition
Items with “USED” in the product name are pre-owned and will be delivered as shown in the photos. Signs of wear may be present. All items are function-tested by our staff and rechecked before dispatch.
■ Stock
Many products are stocked across Ikebe stores in Japan. As a result, shipment may take several days. In-store sales may also cause items to sell out. If an item is unavailable, we will contact you promptly; in that case, the order will be canceled and any payment will be refunded.
■ Shipping
We ship via FedEx. Shipments are fully insured against damage or loss during transit.
- Asia: 10–20 days (estimated)
- North America & Oceania: 20–30 days (estimated)
Shipping costs are calculated based on the delivery address and confirmed at the time of dispatch.
■ Taxes & Duties
Import duties, taxes, and fees are the buyer’s responsibility and are not included in the item price or shipping cost. These fees are typically collected by the carrier upon delivery or at pickup. Please check with your country’s customs office for details before purchasing.
■ Other
We cannot declare a reduced item value or mark purchases as gifts.
* Warranty
Our product warranty is valid only within Japan.
* Voltage
All electrical products are intended for the Japanese market and are designed for 100 V operation.

About us
Founded in 1975, Ikebe Music is one of Japan's largest general music stores.Thanks to its long history and proven track record, it has earned the trust of musicians and music fans not only in Japan but around the world.
Ikebe Music ships not only within Japan, but also overseas.As a well-known retailer of used musical instruments in Japan, we have a wide selection of used and vintage instruments.
We have a wide variety of unusual and rare instruments, so please take a look.Please note that we do not list new products, as our contracts with our suppliers prohibit international shipping.
About our stores
In Japan, we have about 30 stores in Tokyo (Ikebukuro, Shibuya, Akihabara) and Osaka.
We have just opened our flagship store, IKESHIBU (IKEBE SHIBUYA), in Shibuya, Tokyo, which brings together numerous musical instrument specialty stores and serves as a hub for entertainment culture.
Please be sure to stop by if you are visiting Japan.


About Shipping





We carefully pack every item with protective materials to ensure it arrives safely.
The photos above show an example of how we securely pack a bass guitar for shipping.