Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated .

Sweetwater
5.0 (55)
$199.99
Guitar Center
4.5 (20)
$199.99
Amazon
4.6 (185)
Used
Reverb
5.0 (53)
$146.52 New
$99.00 Used
Musician's Friend
5.0 (18)
$199.99
Thomann
4.8 (193)
$222.00

Average Price: $181

Standard/Professional

$75

$251+

Price Tier

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High-end

Price History

Based on price data from 4 merchants for "Dunlop Cry Baby MC404 Wah". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

The Dunlop Cry Baby MC404 Wah is more than just a pedal; it's an essential tool for guitarists who crave versatility and precision in their sound. Developed in collaboration with the renowned Bob Bradshaw of Custom Audio Electronics, this pedal offers a unique blend of boutique craftsmanship and cutting-edge technology. With dual Fasel inductors, you can seamlessly switch between high-end and low-mid voicings, giving you the power to tailor your tone to any musical setting.

Equipped with internal Q and gain trim pots, this wah pedal allows you to fine-tune the sweep range and output, ensuring your performance is always articulate and expressive. The built-in Boost/Line Driver adds an extra layer of dynamism, allowing for a more pronounced wah effect without losing clarity. Whether you're on stage or in the studio, the MC404's robust design and consistent performance will keep your sound sharp and vibrant.

Perfect for professionals and hobbyists alike, the Dunlop Cry Baby MC404 Wah stands out in a crowded field, offering a level of tonal flexibility that can adapt to any player's style. Experience the fusion of tradition and innovation, and let your guitar sing with the voice it deserves.

Key Features:

  • Internal Q and gain trim pots for customizable sweep and output
  • Dual Fasel inductors for switchable high-end and low-mid voicings
  • Built-in Boost/Line Driver for enhanced wah effect
  • Designed in collaboration with Bob Bradshaw of Custom Audio Electronics
  • Robust construction for consistent, reliable performance

Product specs

Brand Dunlop
Model MC404 CAE Custom Audio Electronics Wah
Finish Black
Year 2010 - 2025
Made In United States
Categories Filter and Wah Pedals
Pedal Format Standard

FAQs

What are the tonal differences between the Yellow and Red Fasel Inductors in the Dunlop Cry Baby MC404 Wah?

The Yellow Fasel Inductor provides a classic, warm wah sound ideal for vintage tones, while the Red Fasel Inductor offers a more pronounced, aggressive wah effect suitable for modern styles. Players can switch between these tones to suit different musical contexts.

Does the Dunlop Cry Baby MC404 Wah have true bypass?

Yes, the Dunlop Cry Baby MC404 Wah features true bypass, ensuring that your guitar's tone remains unaffected when the pedal is not engaged.

Can I use the Dunlop Cry Baby MC404 Wah with a power adapter?

Yes, the Dunlop Cry Baby MC404 Wah can be powered using a 9-volt battery, an ECB-003 power adapter, or a Dunlop DC Brick multi-power supply 9-volt output.

What is the purpose of the user-selectable gain output stage in the Dunlop Cry Baby MC404 Wah?

The user-selectable gain output stage allows players to boost the output signal for a more pronounced wah effect, which can be especially useful for solos or cutting through a mix.

Are there visual indicators for the effect status on the Dunlop Cry Baby MC404 Wah?

Yes, the Dunlop Cry Baby MC404 Wah includes bright LEDs that indicate the effect status, inductor mode, and boost on or off mode, providing clear visual feedback during performance.

ProGuitarShopDemos

ProGuitarShopDemos

Custom Audio Electronics CAE MC-404 Wah

Video thumbnail for Custom Audio Electronics CAE MC-404 Wah by ProGuitarShopDemos

Custom Audio Electronics CAE MC-404 Wah

ProGuitarShopDemos

ProGuitarShopDemos

Video thumbnail for MC404 CAE Wah by jimdunlopusa

MC404 CAE Wah

jimdunlopusa

jimdunlopusa

Video thumbnail for Dunlop MC-404 CAE Wah Pedal Review by Sweetwater Sound by Sweetwater

Dunlop MC-404 CAE Wah Pedal Review by Sweetwater Sound

Sweetwater

Sweetwater

Video thumbnail for MC404 CAE vs Dunlop Cantrell Wah by Erik Z

MC404 CAE vs Dunlop Cantrell Wah

Erik Z

Erik Z

Video thumbnail for New pedal day - CAE MC404 Wah by Dunlop - Dan Leggatt (Including demo) by Dan Leggatt

New pedal day - CAE MC404 Wah by Dunlop - Dan Leggatt (Including demo)

Dan Leggatt

Dan Leggatt

Video thumbnail for Comparativo CAE MC404 vs Original Dunlop Crybaby by hmforever

Comparativo CAE MC404 vs Original Dunlop Crybaby

hmforever

hmforever

Video thumbnail for MC404 by Easy Music Center

MC404

Easy Music Center

Easy Music Center

Reviews

PROS

  • Dual Fasel inductors offer versatile sound customization

  • Adjustable Q pots for precise sound shaping

  • Excellent tonal variety from classic to modern sounds

  • Boost feature prevents tone suck and enhances stage presence

  • Superior wah tone compared to standard Cry Baby models

  • Easily adjustable to suit personal tonal preferences

  • Provides both vivid and throaty wah tones

  • Boutique-quality pedal with renowned brand reliability

  • Ideal for players seeking unique sound engineering

  • Effective volume parity with no drop in levels

CONS

  • Boost function only operates with wah engaged

  • Lacks a more gradual sweep in mid to high frequencies

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Dunlop Cry Baby MC404 Wah.

Features and functionality

  • The pedal includes a side switch for toggling between red and yellow fasel inductors, with respective colored LEDs indicating the selection.

    Source
  • The boost circuit enriches the tone, especially on the yellow setting, providing a creamy lead sound reminiscent of 70s rock.

    Source
  • The MC404 is appreciated in setups for providing a seamless integration and maintaining the tonal characteristics when used with other high-gain pedals like the Revv G3.

    Source
  • The CAE wah offers a versatile range of options, integrating several popular mods typically done at home, providing a comprehensive wah experience.

    Source

Setup and maintenance

  • Internal trim pots allow customization of inductor tones and boost gain, though adjustments can be cumbersome without external controls.

    Source

Mods and upgrades

  • Suggestions exist for modding the pedal to make the boost function independent, enhancing versatility.

    Source

User experience

  • The pedal's size can be cumbersome for transport without a proper board, but is appreciated for foot comfort during use.

    Source
  • Owners transitioning from cheaper Cry Baby models report a more refined sound and feel with the MC404, enhancing their enjoyment and usage.

    Source
  • Despite its versatility, some users amass multiple wah pedals during their search, indicating the subjective nature of finding the "perfect" wah sound.

    Source

Build quality

  • The battery compartment design risks wire damage during panel removal; users advise using an isolated power unit instead.

    Source

Use cases and applications

  • The MC404 is highly regarded for its clean sweep, making it especially suitable for hard rock styles.

    Source
  • One user plans to integrate the CAE wah into a doom metal touring rig, highlighting its adaptability across different musical genres.

    Source

Comparisons

  • Users who previously owned a Boss DD7 digital delay noted a preference for the Delay Llama's warm analogue character, suggesting a synergy with the MC404’s tonal qualities.

    Source
  • The CAE wah is compared to the Dimebag Darrell Wah From Hell, both noted as highly versatile options, though the latter's aesthetics can be a detractor.

    Source

Value and pricing

  • Owners find the price of the CAE wah to be reasonable for the features and modifications it includes, offering good value without the hassle of DIY mods.

    Source

Critic Reviews

Dunlop MC-404 CAE Wah Pedal Review - Premier Guitar

premierguitar.com

Dunlop's MC-404 CAE Wah pedal offers an impressive blend of versatility and tonal depth, thanks to its dual Fasel inductors and built-in boost feature. Players can easily switch between a deep, warm sound and a classic Cry Baby tone, making it suitable for various styles. However, its complexity may overwhelm those seeking a straightforward wah experience. With top-notch components and thoughtful design, it definitely stands out in a crowded market. Overall, a fantastic choice for musicians wanting a feature-rich wah pedal, but less ideal for those who prefer simplicity.

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