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Based on price data from 1 merchant for "MXR MC406 CAE Buffer Pedal". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the MXR MC406 CAE Buffer Pedal, your ultimate solution for a pure, uncompromised tone. This pedal is designed to overcome the challenges posed by a lengthy lineup of effect pedals. If your tone is suffering from the mixed impedance of your effects pedals, worry no more. The MC406 Buffer Pedal got you covered.
This versatile pedal is not just about maintaining your tone. It also allows you to add up to 6dB of gain to your signal. This is particularly handy when using vintage or boutique pedals that tend to cause a volume drop.
The MXR MC406 Buffer Pedal also comes with an additional output. You can use this to connect your tuner or a second amplifier. As if that's not enough, it also features a 9VDC power output jack. This means you can power another pedal using this amazing device.
If you're looking for a reliable, sturdy pedal that will serve you for a long time, the MXR MC406 Buffer Pedal is your best bet. It's built to withstand the rigors of regular use, ensuring that it will be a part of your rig for years to come.
Key Features:
- Buffer pedal for maintaining instrument signal quality over long cable runs and effects chains
- Ability to add up to 6dB of gain to make up for volume loss due to long signal paths
- High- and Low-cut switches for fine-tuning signal recovery
- Additional unbuffered output for connecting to a tuner, second effects chain, or amplifier
- 9VDC power output jack for powering another pedal
- Rugged construction for durability and longevity
Product specs
| Brand | MXR |
| Model | MC406 Buffer |
| Finish | Black |
| Year | 2011 - 2025 |
| Made In | United States |
| Categories | Buffer |
| Pedal Format | Standard |
FAQs
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What is the purpose of the MXR MC406 CAE Buffer Pedal?
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The MXR MC406 CAE Buffer Pedal is designed to preserve your guitar's tone by maintaining signal strength and clarity, especially when using long cables or multiple pedals in your signal chain.
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Does the MXR MC406 CAE Buffer Pedal add any gain to the signal?
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Yes, the MXR MC406 CAE Buffer Pedal features a +6dB gain slider, allowing you to compensate for any signal loss in your setup.
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What power supply is required for the MXR MC406 CAE Buffer Pedal?
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The MXR MC406 CAE Buffer Pedal can be powered by a Dunlop ECB003 9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies, which are not included.
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Is the MXR MC406 CAE Buffer Pedal suitable for use with bass guitars?
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Yes, the MXR MC406 CAE Buffer Pedal is suitable for both guitar and bass, helping to maintain signal integrity across various instruments.
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Can the MXR MC406 CAE Buffer Pedal be used at the beginning of a pedalboard?
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Yes, placing the MXR MC406 CAE Buffer Pedal at the beginning of your pedalboard can help ensure a strong, clear signal before it goes through other effects.
Videos
Guitar World
Guitar World Recommends - MXR Buffer Boost
Reviews
PROS
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Enhances signal without making it sound sterile or artificial
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Noticeable improvement in sound clarity and high-end restoration
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Includes gain control for added versatility
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Features like boost and EQ cuts offer additional sound shaping
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Effective in both direct recording and through FX loops
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Pedals interact and stack better when used with this buffer
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Solves volume drop and treble loss effectively
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Maintains a natural sound even in large pedal setups
CONS
4.5 out of 5
Based on 0 Reviews and 9 Ratings
Artist usage
Add artist
In the Moshcam video, "Behind The Scenes | Slash's guitar tech, Ace | Guns N' Roses," at timestamp 6:34, Slash's guitar tech refers to a splitter. While CAE doesn't produce a splitter, the MXR MC406 CAE Buffer Pedal, which features one input and two outputs, matches his description. This suggests it's the unit being discussed.
According to the product website Paul is currently playing Tortex .60 picks, MXR Script Phase 90 with the LED, MXR Distortion +, and the CAE Buffer.
Bill Kelliher uses the MXR MC406 CAE Buffer Pedal, as evidenced by a user-uploaded photo on Imgur.
In this MusicRadar article, Dean DeLeo showcases his pedalboard which includes a Custom Audio Electronics buffer.
In the YouTube video titled "Opeth - 'Paragraph One' - Fredrik Åkesson Playthrough Video" by Opeth, Fredrik Åkesson can be seen using the MXR MC406 CAE Buffer Pedal at the 2:25 mark.
Nashville legend Audley Freed (Black Crowes, Sheryl Crow, Cry of Love) shows us his pedalboard at a recent event honoring Joe Walsh at the Experience Music Project in Seattle
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 MXR MC406 CAE Buffer Pedal, it is most commonly used with the following gear.
Community setups
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