What is ProTone® DSP + DuoCoil™?

What ProTone® DSP + DuoCoil™ Actually Do for You, most systems either give you one “signature sound” or bury you in endless options. ProTone® DSP + DuoCoil™ are designed to do something different: let you find your own sweet spots, save them, and get back to playing—without turning your guitar into a science project.

ProTone® DSP Blending: The Control System, DuoCoil™ pickups are fully analog pickups, not digital models. They’re:

• Voiced for digital-controlled coil blending – each coil and magnet choice is tuned so the entire blend range stays musical
• Layered, scatter-wound to open up multiple usable voices inside one pickup
• Designed so your core tone remains warm, responsive, and “amp-friendly”, the way a real pickup should be

You’re still playing a real guitar with real pickups—the ProTone® system just gives you more control over how those pickups behave.

The ProTone® DSP Blending System doesn’t replace your pickups—it controls how they’re mixed and voiced:

• Lets you blend between coils and voices with far more precision than a simple coil split or toggle
• Allows you to save your favorite blends as presets, so you can come back to them tomorrow, next week, or on tour
• Keeps the audio path analog while using DSP for control, recall, and consistency

Think of it as memory for your tone: once you dial in a sound you love, ProTone® remembers it exactly.

How It Feels as a Player, From your perspective, it’s simple:

• You keep the guitars you already trust
• You upgrade them with DuoCoil™ pickups and the ProTone® DSP system
• You end up with repeatable, stage-ready and studio-ready tones that still feel like a “real guitar,” not a modeler

No menus mid-song. No tap-dancing to chase a sound you had last week.
Just your voice, your choice—locked in.

Design your Vision — Build Your Voice

At MRG Custom Shop, we don’t build guitars for museums — we build them for musicians who have something to say. We sculpt tone, refine feel, and shape inspiration into sound. Every build begins with a conversation: your playing style, your tonal goals, your vision. From vintage-voiced classics to genre-defining modern designs, we bring your ideas to life through hand-wound DuoCoil™ pickups and meticulously engineered electronics built around our ProTone® Tonal System.

You can run ProTone® + DuoCoil™ as a system upgrade in guitars you already trust — but MRG Custom Shop is where that system meets a truly hand-built instrument. We don’t start with a generic pickup and then try to “fix” it with electronics; we engineer the pickup, the coils, and the electronics together so you get more usable tone out of one guitar than most people get out of three. Every ProTone® circuit is matched to our own DuoCoil™ pickups, buffered to keep the high end alive, and digitally blended so those sweet spots are repeatable on stage, in the studio, or direct to a board.

Our ProTone® DSP Blending Circuit is the secret sauce. Instead of a simple coil split, it lets you move between vintage, open voices and modern, mid-forward voices with no volume drop and no latency. The system auto-calibrates to our DuoCoil™ pickups so the guitar sounds “right” every time you plug in — same blends, same output, same feel. That’s how we can offer classic rock, country/T-style, S-style, bass, and studio-ready configurations that all behave the same way: like professional tools.

On the build side, every MRG guitar is hand-crafted around that electronics package. We choose the wood, hardware, and neck profile to support the ProTone® system — not the other way around. Bodies are cut, fit, and finished one at a time; necks are shaped for real-world players; hardware is premium and selected to let the pickups speak. The result is a boutique instrument that feels broken-in, responds to your hands, and delivers the exact tone your ProTone® circuit was designed to create.

If you want more than pretty wood — a guitar that’s voiced, engineered, and tuned as a complete system — this is the place.

The Heart of Every Guitar — The Art of Tone — Defined by Our ProTone® Tonal System

We don’t just install electronics — we engineer tone.
The MRG ProTone® Tonal System is a precision-voiced, low-loss architecture built to deliver clarity, balance, and dynamic control that doesn’t fall apart when you turn up.

It’s not a generic wiring kit; it’s a complete tonal platform — designed, tuned, and optimized to work with DuoCoil™ pickups, your guitar’s woods, and your individual playing touch.

From selectable impedance to hybrid passive/active switching, mid-sweep EQ, bypass boosts, and parametric shaping, the ProTone® system offers options most players have only seen in studio racks and high-end outboard gear.

It’s built for players who demand more than “a good tone” — they demand response, depth, and consistency.

And unlike mass-produced wiring harnesses, every ProTone® circuit is hand-built, metered, and auditioned to ensure balance between every component and every coil in the system.