Pricing and availability

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Average Price: $150

Standard/Professional

$50

$176+

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Standard

High-end

Price History

Based on price data from 1 merchant for "Mad Professor Royal Blue Overdrive". Prices shown reflect NEW condition. Tracking began Apr 7, 2026.

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Description

Dive into a realm where your guitar's true voice shines through with the Mad Professor Royal Blue Overdrive. This pedal isn't just about adding gain; it's about enhancing your instrument's natural sound with transparent drive and exceptional touch sensitivity. Whether you're nudging your clean tone with a subtle grit or pushing your amp into luscious distortion, the Royal Blue adapts to your touch and playing dynamics. With its intuitive control layout, you can sculpt the perfect sound that respects your guitar's character, ensuring your music always feels uniquely yours.

Key Features:

  • Transparent drive that respects the instrument's original tone
  • Exceptional touch sensitivity for dynamic playing
  • Versatile range of overdrive from mild to aggressive
  • Intuitive controls: Volume, Drive, Bass, and Treble for precise tonal shaping
  • Ideal for achieving boutique amp tones in a compact pedal format

Product specs

Available since September 2013
Overdrive Yes
Distortion No
Fuzz No
Metal No

FAQs

What kind of tones can I expect from the Mad Professor Royal Blue Overdrive?

The Mad Professor Royal Blue Overdrive delivers a transparent overdrive tone, preserving the natural sound of your guitar while enhancing dynamics and clarity. It excels in low to medium gain settings, making it versatile for blues, rock, and country styles.

Is the Mad Professor Royal Blue Overdrive suitable for use with both single-coil and humbucker pickups?

Yes, the Royal Blue Overdrive is designed to work well with both single-coil and humbucker pickups, providing a consistent and articulate overdrive sound across different guitar types.

Does the Mad Professor Royal Blue Overdrive work well with other effects pedals?

The Royal Blue Overdrive is highly compatible with other pedals, making it a great addition to any pedalboard. It can be used effectively before or after modulation, delay, and reverb effects.

What power supply does the Mad Professor Royal Blue Overdrive require?

The Mad Professor Royal Blue Overdrive requires a standard 9V DC power supply. It can also be powered by a 9V battery for convenience.

How does the Mad Professor Royal Blue Overdrive differ from typical distortion pedals?

Unlike distortion pedals, the Royal Blue Overdrive focuses on delivering a transparent and dynamic overdrive, preserving the guitar's original tone without adding excessive compression or saturation.

Prymaxe

Prymaxe

Mad Professor Royal Blue Overdrive

Video thumbnail for Mad Professor Royal Blue Overdrive by Prymaxe

Mad Professor Royal Blue Overdrive

Prymaxe

Prymaxe

Video thumbnail for Mad Professor Royal Blue Overdrive demo by Marko Karhu by Mad Professor Pedals

Mad Professor Royal Blue Overdrive demo by Marko Karhu

Mad Professor Pedals

Mad Professor Pedals

Video thumbnail for Mad Professor Royal Blue Overdrive: Part 1 demo by Marko Karhu by Mad Professor Pedals

Mad Professor Royal Blue Overdrive: Part 1 demo by Marko Karhu

Mad Professor Pedals

Mad Professor Pedals

Video thumbnail for Mad Professor ROYAL BLUE OD - Demo  by A Barrero by Alberto Barrero

Mad Professor ROYAL BLUE OD - Demo by A Barrero

Alberto Barrero

Alberto Barrero

Video thumbnail for Mad Professor Royal Blue Overdrive: Part 2 demo by Marko Karhu by Mad Professor Pedals

Mad Professor Royal Blue Overdrive: Part 2 demo by Marko Karhu

Mad Professor Pedals

Mad Professor Pedals

Video thumbnail for Mad Professor Royal Blue Overdrive demo by Ben Granfelt by Mad Professor Pedals

Mad Professor Royal Blue Overdrive demo by Ben Granfelt

Mad Professor Pedals

Mad Professor Pedals

Video thumbnail for Musikmesse '13 - Mad Professor Royal Blue Overdrive Demo by Premier Guitar

Musikmesse '13 - Mad Professor Royal Blue Overdrive Demo

Premier Guitar

Premier Guitar

Video thumbnail for Mad Professor Royal Blue Overdrive Pedal (A Pedal From Finland) by Elmo Karjalainen

Mad Professor Royal Blue Overdrive Pedal (A Pedal From Finland)

Elmo Karjalainen

Elmo Karjalainen

Video thumbnail for Mad Professor Royal Blue Overdrive by Wall of Sound

Mad Professor Royal Blue Overdrive

Wall of Sound

Wall of Sound

Reviews

PROS

  • Offers an organic, touch-sensitive response for dynamic playing

  • Extremely versatile, from transparent boost to saturated overdrive

  • Maintains clarity with both single-coils and humbuckers

  • Impressive EQ controls with versatile Bass and Treble dials

  • Excellent for stacking with other pedals for diverse tones

  • Provides a wide-open, warm sound that integrates well in mixes

  • Excels at producing clean and almost clean tones with ease

  • Large bottom end enhances tone to professional levels

CONS

  • Lacks a mid boost knob for additional versatility

  • High treble frequencies may require careful adjustment

  • Gain past 10 o'clock can sound messy for some users

  • Not ideal for high-gain rock music applications

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Mad Professor Royal Blue Overdrive.

Comparisons

  • The Royal Blue Overdrive is preferred over the Kalamazoo for its less midrangy tone and ideal crunch/compression suited for blues/rock.

    Source
  • The Royal Blue Overdrive is favored by an owner in a band playing Hum-ish/Pavement-ish styles, highlighting its versatility for alternative rock genres.

    Source
  • The Mad Professor Royal Blue Overdrive is described as blues driver-esque, with added treble and bass control, offering more gain than traditional blues driver pedals.

    Source

User experience

  • An owner prefers the Royal Blue over the Amber Overdrive, indicating a better personal fit.

    Source
  • An owner pairs the Royal Blue with a Keeley Phat Mod Blues Driver with gain minimal, volume up, achieving a heavy tone that cuts through the mix effectively.

    Source

Use cases and applications

  • The Royal Blue Overdrive is highlighted for achieving the perfect crunch and compression for blues/rock music styles.

    Source
  • The Royal Blue Overdrive is used with gain at 75% for a wide range of dirt, mimicking amp gain and offering excellent touch responsiveness.

    Source
  • The Royal Blue Overdrive is effectively used with a Vox amp, providing excellent tonal warmth and complementing articulate pickups like Barden, which are known for their high-end clarity.

    Source
  • The Royal Blue Overdrive is noted for its suitability in achieving tube-like warmth and breakup when paired with articulate pickups and a Vox amp setup.

    Source

Features and functionality

  • Owners appreciate the Royal Blue for its treble and bass control, allowing for precise tonal shaping, which enhances its compatibility with various guitar and pickup combinations.

    Source
Add

4.5 out of 5

Based on 3 Reviews and 7 Ratings

5 star
4 star
3 star
2 star
1 star
thoroliversen

Really great transparent amp like overdrive

This pedal reminds me of Free the tone SOV overdrive. I'm using it with the gain set to approx. 1/4 of full and for adding a bit of crunch to the signal. It will take me from clean to overdriven by using the volume pot on my guitar. Especially with a humbucker equipped one.

whereismyyymind

Truly organic drive with a great frequency range

Compared this to countless other pedals and it is indeed top of the line, a truly organic, wide-open und warm sounding drive. Gain structure is somewhat special and maybe not to everyone's liking. Would describe it as 'crispy' when you let it ring out.

ziga_janezic

Best OD I've ever tried

Bought this one because of the great sound of great Matt Scofield. As soon as i pluged royal blue od in.. my sound improved like 50%.

From Gear Setup

Artist usage

Add artist
See how Matt Schofield uses Mad Professor Royal Blue Overdrive

Matt Schofield

Guitarist

...
Verified via Photo

On Matt Schofield's website, he says, "I've also been really enjoying the Mad Professor Royal Blue Overdrive or Free the Tone Red Jasper lately, for other low-gain boost/overdrive flavours."

See how Kristofer Steen uses Mad Professor Royal Blue Overdrive

Kristofer Steen

Guitarist, Drummer

Refused

...
Verified via Premierguitar

According to Premier Guitar, Steen uses Mad Professor Royal Blue overdrive pedal.

See how Thor Jensen uses Mad Professor Royal Blue Overdrive

Thor Jensen

Guitarist

...
Verified via YouTube

TIMESTAMPED! In the YouTube video titled "Back From The Road," Thor Jensen, a guitarist, is seen using the Mad Professor Royal Blue Overdrive.

See how Warner Hodges uses Mad Professor Royal Blue Overdrive

Warner Hodges

Guitarist, Singer

Dan Baird and Homemade Sin

...
Verified via YouTube

at 4:13 we see his pedalboard, which shows his Royal Blue overdrive which he says is his main overdrive

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Mad Professor Royal Blue Overdrive, it is most commonly used with the following gear.

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1
Fender Stratocaster Electric Guitar
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1
Xotic Effects EP Booster
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1
Xotic Effects RC Booster
Xotic Effects RC Booster Boost Effects Pedals
1
Vox AC30 Guitar Combo Amp
Vox AC30 Guitar Combo Amp Combo Guitar Amplifiers
1

Community setups

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ziga_janezic

ziga_janezic

Gear IQ 388

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Vintage or Discontinued similar sound
Mad Professor Royal Blue Overdrive Handwired

 

similar sound high-end alternative limited edition

The handwired version of the Royal Blue Overdrive features top mounted jacks and through hole construction, as part of a limited run for 2025.

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Gear Guides

  • Added to Equipboard on by

    austinmw
    austinmw

    Gear IQ 5227