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RJM Mastermind PBC 6X

5.0 (3)

1 Review

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Page last updated May 05, 2026

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Description

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The RJM Mastermind PBC 6X is the ultimate tool for guitarists looking to streamline their pedalboard setup without sacrificing any of their sonic potential. This advanced MIDI foot controller allows you to easily manage complex pedal arrangements, delivering seamless transitions between your favorite sounds. Ideal for both live performances and studio sessions, the Mastermind PBC 6X provides intricate control over your effects, ensuring that you hit the right tone at the right moment.

Designed with versatility in mind, the RJM Mastermind PBC 6X features six loops, each with its own buffer switch, providing you with a clean and consistent signal path. The intuitive user interface is complemented by a large, easy-to-read display, making programming and navigation a breeze. With its robust MIDI capabilities, this unit can command up to 16 MIDI devices simultaneously, giving you unparalleled control over your gear.

The Mastermind PBC 6X is built for durability and reliability, making it a trustworthy companion on the road. Its compact design ensures that it fits comfortably on any pedalboard, while its high-quality construction guarantees that it can withstand the rigors of touring. Whether you’re looking to simplify your setup or unleash new sonic possibilities, the RJM Mastermind PBC 6X is a must-have for any serious guitarist.

Key Features:

Six effect loops with individual buffer switches
Comprehensive MIDI control for up to 16 devices
Large, easy-to-read display for efficient programming
Compact and durable design suitable for any pedalboard
USB connectivity for firmware updates and configuration
Integrated tuner and tap tempo controls
Supports both stereo and mono output configurations

Videos

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Brian Carl

RJM PBC/6X + Pedalboard Walkthrough // Brian Carl

Brian Carl

RJM Mastermind PBC/6X Pedalboard Controller // Official Launch Video

DougDopplerMusic

How to use the Split Mono feature on the Mastermind PBC/6X by RJM Music

RJM Music Technology Inc

In-Depth with the RJM Mastermind PBC 6x

Ryan Kiesshauer

RJM Mastermind PBC/6X Plug Options

Alphatone Audio

RJM Mastermind PBC/6X Rundown

Brooks Bell

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about RJM Mastermind PBC 6X.

Features and functionality

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The RJM Mastermind PBC 6X allows for easy loop order changes and integrates MIDI for expanded control options, offering versatility in complex signal chains.
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The PBC 6X allows for song presets and set-lists creation, with each button customizable for both single press and hold functions, enhancing live performance control.
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The PBC 6X matrix reordering feature allows users to position the Chase Bliss Clean both at the start and end of the signal chain, utilizing TRS jacks effectively.
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It's possible to configure the PBC 6X to handle dual mono inputs for devices like the Line 6 DL4 MKii, ensuring flexible stereo input management.
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Use cases and applications

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The PBC 6X is effectively used in an amp-less stereo wet/dry/wet rig, highlighting its adaptability for various audio setups.
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Using the PBC 6X in a dual role setup enables seamless switching between live guitar tracking and production use, maximizing pedalboard versatility.
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User experience

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Owners find the RJM PBC's MIDI integration intuitive, even for those new to MIDI, enhancing their signal chain management capabilities.
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Software and compatibility

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The PBC 6X's compatibility with the Source Audio C4 Synth is praised, especially for its versatile funky envelope filter and octave settings.
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Mods and upgrades

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Expanding control with a DAD Midi Baby is planned by users for better management of the C4 Synth, reflecting the PBC 6X's mod-friendly nature.
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Using a Pedalnetics Aux2 switch, which stacks on top of the PBC 6X, enables additional MIDI control without consuming extra board space.
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Setup and maintenance

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Built-in buffer should be enabled to prevent tone suck, and custom-made TRS cables split into dual mono can expand loop options up to 10 loops.
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Sharing stereo loops for pedals like the Line 6 DL4 MKii and Chase Bliss Lost+Found can free up additional loops, accommodating future pedal additions like the Alexander Fever Pitch.
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Build quality

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Some users appreciate the Pedalnetics Aux2's 3D printed plastic construction for its lightweight contribution to a heavy pedalboard setup.
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5.0 out of 5

Based on 1 Review and 3 Ratings

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mightystrat

7 months ago

Game changer

I didn’t even know what a pedalboard switcher was until a couple of months ago. I was playing a gig and messed up hitting a couple of buttons for pedals needed on a solo part and wondered if there was a better, easier way to change tones. Well now I can turn any or all of my pedals on or off, switch pedal order for stacked overdrives AND switch MIDI presets on any MIDI pedal with ONE BUTTON PRESS for any part of any song I play ordered by song in my current set list. That’s what a pedalboard switcher with MIDI control can do. Total game changer! And for me, the RJM PBX6X is the perfect combo of performance and price with amazing build quality. You can program everything on the switcher pretty easily or use their really intuitive and powerful editor. This is the best gear purchase I’ve made in a long time.

Roles:

Singer Guitarist Bassist

Genres:

Rock Folk, World, & Country Alternative rock