GT-1000CORE : What kind of MIDI cable can I use? May 20, 2026 07:30 Updated Follow The GT-1000CORE uses 3.5mm TRS MIDI Type A jacks. Note that MIDI Type A and Type B are not compatible. Verify the type before purchasing third-party cables.For BOSS-branded cable options, refer to the following: 3.5mm TRS to 3.5mm TRS: BCC-1-3535 or BCC-2-3535 3.5mm TRS to 5-pin MIDI: BMIDI-5-35 Related articles GX-100: Differences between the GX-100 and GT-1000 GT-1000: How do I set up a Wet/Dry effect chain for Mono and Stereo? GT-1000, GT-1000CORE: What is the maximum capacity for IR data that can be loaded? BCB-90X: Will my BOSS pedal board provide sufficient power to all my pedals?