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Average Price: $179

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$70

$201+

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Based on price data from 1 merchant for "Morley Rex Brown Old Blue Wah Pedal". Prices shown reflect NEW condition. Tracking began Apr 17, 2026.

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Description

For those who live and breathe bass, the Morley Rex Brown Old Blue Wah Pedal is a powerhouse of tone and expression. Designed in collaboration with Rex Brown, legendary bassist of Pantera, this pedal is crafted to deliver the dynamic range and precision that every bass player craves. With its Electro-Optical circuitry, the Old Blue Wah Pedal eliminates the need for a potentiometer, ensuring whisper-quiet operation and long-lasting durability. Its unique tone sweep is tailored for bass frequencies, offering a deep, resonant wah effect that cuts through the mix without losing low-end punch.

Whether you're laying down solid grooves or stepping into the spotlight for a solo, the Old Blue Wah Pedal provides seamless transitions and expressive control, thanks to its smooth rocker action. The rugged, road-ready construction is built to withstand the rigors of touring, while the glow-in-the-dark treadle adds a touch of flair to your pedalboard. This pedal is more than just an effect; it's a creative tool that empowers bassists to explore new sonic territories.

Key Features:

  • Designed in collaboration with Rex Brown
  • Electro-Optical circuitry for silent operation
  • Custom wah tone sweep optimized for bass frequencies
  • Glow-in-the-dark treadle for easy visibility on stage
  • Rugged construction for durability on the road
  • True bypass switching to maintain signal integrity when not in use

Product specs

Pedal Type Optical Wah
Analog/Digital Analog
Inputs 1 x 1/4"
Outputs 1 x 1/4"
Controls Level
Bypass Switching Switchless Activation, Buffered bypass
Power Source 9V DC power supply (sold separately)
Batteries 1 x 9V
Height 2.75"
Width 5.88"
Depth 9.13"

FAQs

Is the Morley Rex Brown Old Blue Wah Pedal suitable for bass guitars?

Yes, the Morley Rex Brown Old Blue Wah Pedal is specifically designed for bass guitars, providing a wide and expressive wah effect that complements the lower frequencies of bass instruments.

How does the switchless activation work on the Morley Rex Brown Old Blue Wah Pedal?

The switchless activation on this pedal allows you to engage the wah effect simply by stepping on the pedal, eliminating the need for a traditional footswitch. This makes it seamless and intuitive for live performances.

What power supply does the Morley Rex Brown Old Blue Wah Pedal require?

The Morley Rex Brown Old Blue Wah Pedal requires a 9V DC power supply, which is sold separately. It can also be powered by a single 9V battery for added convenience.

Can the Morley Rex Brown Old Blue Wah Pedal be used with other effects pedals?

Yes, the Morley Rex Brown Old Blue Wah Pedal can be easily integrated into a pedalboard with other effects pedals, thanks to its buffered bypass which helps maintain signal integrity.

What are the dimensions of the Morley Rex Brown Old Blue Wah Pedal?

The Morley Rex Brown Old Blue Wah Pedal measures 2.75 inches in height, 5.88 inches in width, and 9.13 inches in depth, making it a compact addition to your pedalboard.

Morley

Morley

Morley Rex Brown Signature Old Blue Wah Pedal

Video thumbnail for Morley Rex Brown Signature Old Blue Wah Pedal by Morley

Morley Rex Brown Signature Old Blue Wah Pedal

Morley

Morley

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Morley Rex Brown Old Blue Wah Pedal.

Features and functionality

  • The Rex Brown Old Blue Wah is noted for closely replicating the classic Morley wah sound with a broad frequency sweep, suitable for both guitar and bass.

    Source
  • Unlike some modern Morley models, the Rex Brown Old Blue Wah avoids a screechy high-end, maintaining a smoother tonal quality.

    Source

User experience

  • Users report that the Rex Brown Old Blue Wah may offer improved noise handling compared to vintage models, addressing a common issue with older Morley pedals.

    Source

Comparisons

  • The Morley Dual Bass Wah is suggested as an alternative for those seeking a less complex option than the Rex Brown Old Blue.

    Source

Use cases and applications

  • The expansive frequency sweep of the Rex Brown Old Blue Wah is particularly praised for its versatility across different musical styles and instruments.

    Source

Critic Reviews

“That’s my little secret weapon... Old Blue”: Pantera’s Rex Brown has teamed up with Morley on a recreation of the wah pedal so good Dimebag used to borrow it | Guitar World

guitarworld.com

Morley's Rex Brown Old Blue Wah Pedal is a nostalgic homage to the legendary sound of the '90s, merging classic design with modern tweaks for an impressive performance. With switchless activation and a substantial wah-level boost, it promises a versatile experience for guitarists. However, while it excels in creating rich tonal sweeps, some may find its price tag of $179 a bit steep for a wah pedal. Ultimately, fans of Pantera and wah enthusiasts alike will appreciate its unique character, but budget-conscious players might want to consider alternatives.

positive

Morley Unveils the Rex Brown Signature Old Blue Bass Wah - Bass Magazine

bassmagazine.com

Rex Brown's Morley Old Blue Wah Pedal is a nostalgia-infused powerhouse, expertly replicating the vintage tones that fans love. Its switchless activation and robust design are impressive, ensuring a reliable performance for the stage. However, while the pedal captures the essence of classic wah sounds, some users may find the modified sweep slightly limiting compared to the original. Still, for those seeking a dependable wah that pays homage to the past, this pedal is a formidable choice.

positive

Pantera’s Rex Brown Revives His Secret Weapon: Morley’s “Old Blue” Wah Pedal Returns – No Treble

notreble.com

Rex Brown’s “Old Blue” Wah Pedal is a modern nod to a classic, delivering a potent, expressive sweep that captures the essence of Morley’s vintage designs. Its switchless operation and premium buffer circuit are standout features, enhancing playability and tone. However, while the nostalgic vibe is strong, some may find its hefty $179 price tag a bit steep for a wah pedal. Overall, it’s a worthy revival for fans of Pantera and those seeking a unique sound, but budget-conscious musicians might want to consider alternatives.

positive

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Artist usage

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See how Rex Brown uses Morley Rex Brown Old Blue Wah Pedal

Rex Brown

Bassist

Pantera

...
Verified via YouTube

In a video by Morley, Rex Brown presents his new signature 'Old Blue' Wah Pedal.

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