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The MXR Turbo Tuner is the only tuner you'll ever need. Developed in collaboration with Sonic Research—the gold standard in strobe tuning—this pedal builds modern versatility around the core tuning engine of the original Turbo Tuner. Sonic Research founder Roger Schlichtig handled the pedal's engineering himself to deliver the same fraction-of-a-cent, professional-grade accuracy. It's all built to the roadworthy standard that defines both Sonic Research and MXR, with a big, bright display that keeps you locked in from soundcheck to the stage.

  • Built around the core engine of the gold-standard Sonic Research Turbo Tuner
  • Personally engineered by SR founder Roger Schlichtig
  • Real-time strobe display tracks pitch with fraction-of-a-cent precision
  • Tune up in seconds, no matter your skill level
  • Five customizable presets support up to 12 strings and ±50 cent offsets
  • Four brightness levels keep the display readable in any lighting
  • Switchable true/buffered bypass with three buffered submodes
  • 9V passthrough output powers an additional pedal
  • USB-C port for firmware updates and upcoming editor software
More Information
Product Name MXR M400 Turbo Tuner Pedal
Brand MXR
Condition New
MPN M400
UPC 710137144163
Shipping Option Free Shipping to the Continental U.S.
  • Built around the core engine of the gold-standard Sonic Research Turbo Tuner
  • Personally engineered by SR founder Roger Schlichtig
  • Real-time strobe display tracks pitch with fraction-of-a-cent precision
  • Tune up in seconds, no matter your skill level
  • Five customizable presets support up to 12 strings and ±50 cent offsets
  • Four brightness levels keep the display readable in any lighting
  • Switchable true/buffered bypass with three buffered submodes
  • 9V passthrough output powers an additional pedal
  • USB-C port for firmware updates and upcoming editor software
Details

The MXR Turbo Tuner is the only tuner you'll ever need. Developed in collaboration with Sonic Research—the gold standard in strobe tuning—this pedal builds modern versatility around the core tuning engine of the original Turbo Tuner. Sonic Research founder Roger Schlichtig handled the pedal's engineering himself to deliver the same fraction-of-a-cent, professional-grade accuracy. It's all built to the roadworthy standard that defines both Sonic Research and MXR, with a big, bright display that keeps you locked in from soundcheck to the stage.

  • Built around the core engine of the gold-standard Sonic Research Turbo Tuner
  • Personally engineered by SR founder Roger Schlichtig
  • Real-time strobe display tracks pitch with fraction-of-a-cent precision
  • Tune up in seconds, no matter your skill level
  • Five customizable presets support up to 12 strings and ±50 cent offsets
  • Four brightness levels keep the display readable in any lighting
  • Switchable true/buffered bypass with three buffered submodes
  • 9V passthrough output powers an additional pedal
  • USB-C port for firmware updates and upcoming editor software
More Information
Product Name MXR M400 Turbo Tuner Pedal
Brand MXR
Condition New
MPN M400
UPC 710137144163
Features
  • Built around the core engine of the gold-standard Sonic Research Turbo Tuner
  • Personally engineered by SR founder Roger Schlichtig
  • Real-time strobe display tracks pitch with fraction-of-a-cent precision
  • Tune up in seconds, no matter your skill level
  • Five customizable presets support up to 12 strings and ±50 cent offsets
  • Four brightness levels keep the display readable in any lighting
  • Switchable true/buffered bypass with three buffered submodes
  • 9V passthrough output powers an additional pedal
  • USB-C port for firmware updates and upcoming editor software
Reviews