MXR M102 Dyna Comp

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$70.00 to $105.00 Price Tier: Standard

4.5 (338)

1 Critic Review

53 Reviews

Find out who is using MXR M102 Dyna Comp

47 community setups

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Best Compressor Pedals for Guitar

217 wishlisted

986 saved

Page last updated Jul 06, 2026

Pricing and availability

We compare 600+ stores and found this item at 8 stores. Prices updated July 5, 2026.

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4.5 (66)

$99.99

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4.0 (28)

$99.99

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4.7 (692)

$99.99 New

$87.99 Used (Like New)

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5.0 (112)

$70.00 115 available New

$49.00 95 available Used

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4.0 (129)

$99.99

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5.0 (4)

$99.99

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4.5 (346)

$105.00

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£99.00

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Average Price: $90

Standard/Professional

$50

$201+

Price Tier

In the Compressor Effects Pedals category, MXR M102 Dyna Comp is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Standard

High-end

Price History

Based on price data from 5 merchants for "MXR M102 Dyna Comp". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Introduce yourself to the iconic MXR M102 Dyna Comp, a compressor pedal that's been a cornerstone of professional guitar rigs around the globe. This versatile effects pedal is brought to you by Dunlop and offers a simple yet potent way to add sustain to solos, even out volume levels, or create a distinctive percussive "click" for clean rhythm tones.

With just two user-friendly controls—Sensitivity and Output—you can precisely dictate the amount of compression and output level. This pedal is powered by either a 9V battery or optional AC adapter, promising an ultra-clean compression effect devoid of noise. The MXR Dyna Comp is appreciated for its ability to produce infinite sustain and dynamically shape your tone. It achieves this through an exclusive limiter circuit that adjusts the gain to keep your output signal constant.

In addition to enhancing sustain, the MXR Dyna Comp can produce a signature "clicky" clean tone when cranked up, a sound that has graced countless pop and rock hits. With its compact housing and straightforward operation, the MXR Dyna Comp fits comfortably on any pedalboard and is a favorite among guitarists of all genres.

Key Features:

Proprietary limiter circuit for constant output signal
Two user-friendly controls: Sensitivity and Output
Produces a signature "clicky" clean tone
Durable die-cast chassis for stable operation
Powered by a 9V battery or optional AC adapter
Renowned for its ability to produce infinite sustain
Compact design suitable for any pedalboard

Product specs

Brand	MXR
Model	M-102 Dyna Comp
Finish	Red
Year	1995 - 2025
Made In	United States
Categories	Compressor Pedals
Pedal Format	Standard

FAQs

What is the primary function of the MXR M102 Dyna Comp Compressor Pedal?: The MXR M102 Dyna Comp Compressor Pedal is designed to tighten your guitar signal, enhance sustain, and create a percussive, clicky sound often heard in classic recordings.
Does the MXR M102 Dyna Comp work well with bass guitars?: While primarily designed for electric guitars, the MXR M102 Dyna Comp can be used with bass guitars, although it may not retain the low-end integrity as effectively as bass-specific compressors.
What power supply options are compatible with the MXR M102 Dyna Comp?: The MXR M102 Dyna Comp can be powered by a 9-volt battery or a Dunlop ECB003 9-volt adapter. It is also compatible with the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies.
How does the MXR M102 Dyna Comp affect guitar tone?: The MXR M102 Dyna Comp enhances your guitar tone by adding sustain and compressing the signal, resulting in a tighter sound with more presence and clarity.
Is the MXR M102 Dyna Comp suitable for live performances?: Yes, the MXR M102 Dyna Comp is suitable for live performances, providing consistent compression and sustain to help your guitar stand out in a mix.

Videos

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ギターレッスン【MXR dyna compのご紹介】これぞ王道コンプ！！

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DYNA COMP MXR ! ENORME VALEUR SURE ...

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Reviews

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PROS

Adds significant sustain, useful for solos
Boosts volume for leads effectively
Simple to use with minimal controls
Enhances clean tones remarkably well
Tightens rhythm playing and arpeggios
Versatile across genres, from metal to country
Can improve tone quality when used correctly
Provides a noticeable improvement in sound even with minimal settings
Works well with both distortion and clean settings
Preferred over other compressors for its unique sound

CONS

Lacks an attack control for more nuanced dynamics
May not be compatible with all fuzz pedals
Might be too simple for those seeking more control
Introduces noise, especially through dirty amps
Adds "white noise" to the signal chain
The casing on newer models may feel less robust
Can cut power and dull dynamics if not used carefully
Some find it too noisy without a noise gate
Limited functionality with bass guitar
Can overly color the tone, affecting clarity

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about MXR M102 Dyna Comp.

Use cases and applications

1 0

Owners use the Dyna Comp on bass to even out sound and cover technique issues; works well for clean guitar tones like "Under the Bridge."
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0 0

Combining high sensitivity settings with a clean signal can create a thick, dynamic sound with both compressed and uncompressed tonal qualities.
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User experience

0 0

Older models, like those from the late '70s, are noted for their reliability but require battery power, which some users find inconvenient.
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0 0

Some users prefer knob settings at 3:00/9:00, which suggests a unique personal preference for achieving desired tone.
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0 0

Some owners note that the Dyna Comp adds a "color" to the tone, which may not be ideal if a transparent compressor sound is desired.
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Features and functionality

0 0

Running sensitivity low and output high thickens clean tones without noticeable compression, according to user reports.
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0 0

A popular setting among users is having the output at unity and sensitivity all the way down, balancing volume without compression.
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0 1

Some users experience radio interference with the pedal, suggesting it may amplify unwanted signals.
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0 1

The Dyna Comp is known to alter the phase of the signal, which can be corrected using a signal blender like the OBNE Signal Blender.
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Mods and upgrades

0 1

The Ross Mod is a popular modification among long-term users, enhancing the pedal's compression effect.
Source
0 1

Some clones of the Dyna Comp, such as the BYOC "lil comp," include an internal trim pot to adjust the compression ratio, offering more control over the sound.
Source

Comparisons

0 1

The pedal's clone, the BYOC "lil comp," is noted to have similar features to the classic Dyna Comp, with the addition of an internal trim pot for compression ratio control.
Source

Critic Reviews

How the MXR Dyna Comp became the go-to compressor pedal for countless all-star guitarists | Guitar World

guitarworld.com

The MXR M102 Dyna Comp stands as a classic choice for guitarists seeking professional-grade compression without the studio price tag. Praised for its fast attack and unique "squashed" sound, this pedal is a staple for players like Andy Summers and Yngwie Malmsteen. Its ability to smooth out sound while adding a distinct midrange boost makes it ideal for various styles, from country to funk. However, its operation leans more towards limiting than true compression, which might not suit everyone's taste. Overall, the Dyna Comp is celebrated for its reliability and versatility, making it a beloved tool for many.

positive

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