MXR Booster Mini

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$110.00 to $125.99 Price Tier: Standard

4.5 (6)

2 Critic Reviews

1 Review

Find out who is using MXR Booster Mini

10 community setups

2 wishlisted

13 saved

Page last updated Jun 06, 2026

Pricing and availability

We compare 600+ stores and found this item at 5 stores. Prices updated June 6, 2026.

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Reviews

Price

5.0 (13)

$125.99

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5.0 (5)

$125.99

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4.5 (84)

$125.99 New

$109.99 Used (Like New)

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5.0 (17)

$110.00 58 available New

$79.00 13 available Used

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4.0 (2)

$125.99

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Average Price: $115

Standard/Professional

$60

$151+

Price Tier

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

Budget

Standard

High-end

Price History

Based on price data from 4 merchants for "MXR Booster Mini". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Unleash your sound with the MXR Booster Mini, the perfect blend of classic tonal enhancement and power-packed boost. This compact pedal is engineered to deliver the signature sound of the Echoplex Preamp, paired with the unparalleled boosting prowess of the MXR Micro Amp. It's like having your secret sauce for tone, neatly packed in a durable, space-saving mini housing.

This pedal is not just a tool, but a companion in your musical journey. Its Volume control provides an impressive +25dB, while the Tone control allows for high roll-offs, offering you more creative control over your sound.

But that's not all. The MXR Booster Mini also comes equipped with an internal Echoplex Preamp level control. This adds just the right amount of grit to your signal, bringing out the raw, unfiltered essence of your music. Whether you're looking to save space on your board, spice up your tone, or soar above the mix, the MXR Booster Mini is your go-to gear.

Key Features:

Combines the Echoplex's front end with the MXR Micro Amp's boost power
Offers up to +25dB boost with Volume control
Tone control enables high roll-offs
Features an internal Echoplex Preamp level control
Compact size fits any pedalboard, perfect for musicians on the go
Brushed metal enclosure offers a professional, sleek look

Product specs

Pedal Type	Boost
Analog/Digital	Analog
Inputs	1 x 1/4"
Outputs	1 x 1/4"
True Bypass	Yes
Bypass Switching	True Bypass
Power Source	9V DC power supply (sold separately)
Power Usage	12.5 mA
Height	2.16"
Width	1.57"
Depth	3.54"
Weight	0.28 lbs.

FAQs

What kind of power supply does the MXR Booster Mini require?: The MXR Booster Mini requires a 9V DC power supply, which is sold separately. It has a power usage of 12.5 mA.
Does the MXR Booster Mini offer true bypass switching?: Yes, the MXR Booster Mini features true bypass switching, ensuring your guitar's tone remains unaffected when the pedal is turned off.
Is the MXR Booster Mini suitable for both guitar and bass?: The MXR Booster Mini is designed primarily for electric guitars, but it can also be used with bass guitars to enhance signal level without altering the original tone.
How does the MXR Booster Mini differ from other boost pedals?: The MXR Booster Mini is compact and delivers a clean boost, preserving your guitar's natural tone while providing additional volume and clarity, making it ideal for solos or cutting through a mix.
What are the input and output options on the MXR Booster Mini?: The MXR Booster Mini features a single 1/4" input and a single 1/4" output, making it easy to integrate into any pedalboard setup.

Videos

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Riffs, Beards & Gear

MXR Booster Mini - Demo

Riffs, Beards & Gear

MXR BOOSTER MINI demo by RICCARDO GIOGGI [ENG subs]

Riccardo Gioggi

MXR Booster Mini! Demo & Playthrough

Bryce VanHoosen

Reviews

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PROS

EchoPlex Preamp & tone knob feature adds versatility
Noticeable boost in low end and hi-mids for varied tonal textures
Internal trim pot offers control over mids and harmonic overtones
Can double as a Micro Amp for added utility
Significantly increases volume, suitable for solo boosts
Works well in effects loop for a more pronounced boost
Adds body and warmth at lower volumes
Capable of both clean and gritty tones, enhancing amp response
Harmoniously pairs with other pedals for broader soundscapes
Provides a distinctive boost without overly coloring the signal

CONS

Boosts noise alongside signal, though tolerably so
May require time to dial in preferred settings
Not ideal for palm-muted heavy gain applications
Performance varies depending on amp input vs. effects loop

Owner Insights

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

Features and functionality

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The MXR Booster Mini includes a mini pot inside to blend between EP and Micro Amp styles, offering flexibility in tone shaping.
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The trim pot on the MXR Booster Mini can be turned off for a cleaner boost without coloration, useful for those seeking a pure volume increase.
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The internal Echoplex output adjustment must be set manually inside the pedal, which can be inconvenient for frequent tonal changes.
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The volume knob on the MXR Booster Mini can exceed unity gain even when turned down, due to the Echoplex output setting.
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The MXR Booster Mini can significantly increase volume even at low settings, such as at 9 o'clock, effectively pushing the amp's front end for longer note sustain.
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Comparisons

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The MXR Booster Mini is noted for being a mix of the EP and Micro Amp, providing a balance between vintage coloration and bright, uncompressed output.
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Users have replaced Wampler Tumnus with MXR Booster Mini for a cleaner boost without the finicky gain and tone adjustments of the Tumnus.
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The MXR Booster Mini's tone is perceived as muddier compared to the Xotic Super Sweet Boost, which offers more tonal options and less noise at high gain settings.
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User experience

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Owners have used the MXR Booster Mini for over 5 years, indicating strong reliability and lasting satisfaction with its performance on pedalboards.
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The MXR Booster Mini adds grainy warmth to the sound, enhancing chunkiness and clarity when used with Rat and Hoof pedals.
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Value and pricing

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The MXR Booster Mini is considered underrated and is often available at a competitive price, making it a cost-effective choice for pedal enthusiasts.
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Use cases and applications

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This pedal enhances clarity in Strat neck pickups and smooths out bridge pickup tones, making it versatile for tonal adjustments across different guitar setups.
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Users describe the MXR Booster Mini as compressing sound at full gain, similar to an amp, allowing main guitar notes to ring out while reducing background noise.
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Critic Reviews

Quick Hit: MXR Booster Mini Review - Premier Guitar

premierguitar.com

The MXR Booster Mini impresses with its compact design and dual boost circuits, featuring both the Micro Amp and Echoplex Preamp. It offers a wide range of rich drive tones and a useful tone control, making it a versatile tool for guitarists seeking to enhance their sound. However, the internal placement of the trim pot for adjusting the Echoplex Preamp’s gain adds inconvenience during on-the-fly tweaks. Despite this minor drawback, the pedal shines in delivering both compressed drive and hot lead tones, making it a valuable addition to any pedalboard.

positive

Full Review

Review: MXR Booster Mini | Guitar World

guitarworld.com

The MXR Booster Mini packs a punch in a small package, combining the MXR Micro Amp's boost with the Echoplex Preamp's gritty edge. With up to +25dB of boost and a high-cut tone control, it offers impressive versatility. The internal preamp trimpot enhances gain, making it ideal for fattening single-coil and driving humbuckers. While boost pedals can feel redundant, this one surprises with its powerful output and musical tone control. Perfect for soloists looking for warm sustain and saturated overdrive, it’s hard to believe such firepower is housed in a mini pedal.

positive

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4.5 out of 5

Based on 1 Review and 6 Ratings

5 star

4 star

3 star

2 star

1 star

z_rane

498

about 5 years ago

micro amp... EP preamp?

Took a little time to understand what this little guy was trying to be. Noodled with the internal trim pot and found that having the EP section just barely engaged provided just enough thickness without over fattening up the tone. Great little mojo adder for that Jimmy Page live sound. Plug in your Les Paul and stack with a Marvel Drive and you'll get How The West Was Won.

Roles:

Singer Guitarist Bassist

Genres:

Rock Funk / Soul Alternative rock