Pricing and availability

We compare 600+ stores and found this item at 8 stores. Prices updated .

Sweetwater
5.0 (21)
$38.10
Guitar Center
5.0 (2)
$76.20
Reverb
5.0 (12)
$68.08 New
$62.69 Used
Musician's Friend
5.0 (2)
$38.10
zZounds
5.0 (2)
$38.10
Thomann
4.7 (16)
$47.00

Average Price: $56

Budget/Beginner

$299

$800+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 3 merchants for "Electro-Harmonix 5MM". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Unleash the full potential of your guitar with the Electro-Harmonix 5MM Guitar Power Amplifier, a compact yet mighty ally for guitarists who crave purity and simplicity in their sound. Whether you're lighting up a home studio, taking charge on stage, or simply enjoying your practice sessions, the 5MM provides the ideal blend of portability and power without compromising on tone quality. Its tiny footprint belies its ability to deliver a rich, saturated sound, with 2.5 watts of power ready to breathe life into your guitar's voice through any 8-16 ohm speaker cabinet.

What sets the 5MM apart is its straightforward yet effective control setup - a single volume knob for sound shaping, complemented by a Bright switch to add an irresistible clarity and presence to your tone. This minimalistic approach not only makes it incredibly easy to use but also a perfect canvas for your effects pedals, allowing you to sculpt your sound to perfection. Whether used as a standalone power amp or paired with your favorite preamp or distortion pedal, the Electro-Harmonix 5MM opens up a world of sonic possibilities without overwhelming you with complexity. Plus, it comes equipped with its own power supply, ensuring that this little powerhouse is always ready to go.

Key Features:

  • 2.5 watts of power, perfect for achieving natural drive without excessive volume
  • Can be directly connected to any 8 ohm – 16 ohm speaker cabinet
  • Simple control layout with Volume knob and Bright switch, adding presence to your tone
  • Ideal for use in various scenarios, including live performances, studio recording, or as a backup amplifier
  • Comes with a 9-volt DC/500mA power supply
  • Ultra-portable design, making it an essential tool for musicians on the move

Owner's manual

Electro-Harmonix 5MM User Manual

Product specs

Type Solid State Amp Pedal
Number of Channels Single
Total Power 2.5W
EQ Bright Switch
Inputs 1 x 1/4" (instrument)
Outputs 1 x 1/4" (8/16 ohms)
Effects Loop No
Power Source 9V DC, 500mA negative center power supply (included)
Height 2.1"
Width 2.75"
Depth 4.5"
Weight 1.41 lbs.

FAQs

What is the Electro-Harmonix 5MM primarily used for?

The Electro-Harmonix 5MM is a compact power amplifier pedal designed for guitarists who need a portable solution for driving speaker cabinets at 8 or 16 ohms, ideal for practice or small performances.

How loud is the Electro-Harmonix 5MM 2.5-watt Guitar Amplifier Pedal?

With 2.5 watts of power, the Electro-Harmonix 5MM is suitable for low-volume practice settings or small gigs, providing enough volume to drive a speaker cabinet without overwhelming sound.

Does the Electro-Harmonix 5MM have any built-in tone controls?

The Electro-Harmonix 5MM features a bright switch, which provides a simple way to adjust the high-frequency response for added tonal flexibility.

Can I use the Electro-Harmonix 5MM with any speaker cabinet?

The Electro-Harmonix 5MM is compatible with speaker cabinets rated at either 8 or 16 ohms, making it versatile for various setups.

What power supply does the Electro-Harmonix 5MM require?

The Electro-Harmonix 5MM operates on a 9V DC, 500mA negative center power supply, which is included with the pedal.

EHX

EHX

Electro-Harmonix 5MM Guitar Power Amplifier Pedal (EHX Demo by TOM BURDA)

Video thumbnail for Electro-Harmonix 5MM Guitar Power Amplifier Pedal  (EHX Demo by TOM BURDA) by EHX

Electro-Harmonix 5MM Guitar Power Amplifier Pedal (EHX Demo by TOM BURDA)

EHX

EHX

Video thumbnail for First Look - Electro-Harmonix 5MM Guitar Power Amp by Premier Guitar

First Look - Electro-Harmonix 5MM Guitar Power Amp

Premier Guitar

Premier Guitar

Video thumbnail for Electro Harmonix EHX 5MM: RUNDOWN by Specialty Traders

Electro Harmonix EHX 5MM: RUNDOWN

Specialty Traders

Specialty Traders

Video thumbnail for EHX 5MM Power Amp + Randall 8" Cab: A Compact Powerhouse? [Honest Review] by Stompin' Ground

EHX 5MM Power Amp + Randall 8" Cab: A Compact Powerhouse? [Honest Review]

Stompin' Ground

Stompin' Ground

Reviews

PROS

  • Compact size, fits on pedalboards easily

  • Delivers tube-like sound and feel

  • Versatile: works well with various pedals and effects

  • Loud for its 2.5-watt power, suitable for home practice

  • Bright switch adds bite and gain, enhancing tone

  • Ideal for dirty tones and metal, offers early break-up

  • Works with both 8 ohm and 16 ohm cabinets

  • Can be used for band practice or small gigs

  • Portable, making it great for on-the-go musicians

  • Surprisingly good volume and overdrive at moderate settings

CONS

  • Not ideal for clean tones, limited headroom

  • Requires a 500mA power supply, which may necessitate using the included one

  • "Norm" EQ setting can sound muffled, often needing the "Bright" option

  • No built-in on/off switch, less convenient for some setups

  • Some units may have quality control issues, like noise or failure

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Electro-Harmonix 5MM.

Use cases and applications

  • The Electro-Harmonix 5MM is recommended for achieving overdrive at living room volumes when paired with a preamp or boost pedal for added tonal flexibility.

    Source
  • Owners suggest trying the 5MM with a closed 1x15" cabinet for optimal sound in a living room setup, enhancing both low-end response and overall tonal balance.

    Source

Comparisons

  • Compared to the Smokey Amp, the 5MM offers better performance through a speaker cabinet, providing a more refined sound and greater usability for home practice.

    Source

Features and functionality

  • The 5MM is noted for its compact form factor and affordability, making it a low-risk investment for those seeking a portable and versatile power amplifier solution.

    Source

Critic Reviews

Electro-Harmonix 5MM Review - Premier Guitar

premierguitar.com

This compact 2.5-watt power amp is a surprising addition for any guitarist, offering a fantastic range of tones and remarkable sustain. It excels in playability and build quality, making it virtually indestructible. However, it struggles with volume; it's not suitable for loud environments, which may limit its performance on stage. If you need something for an intimate setting or as a reliable backup amp, the Electro-Harmonix 5MM is a steal at $63. Just don’t expect it to replace a more powerful amp in high-energy situations.

positive

5.0 out of 5

Based on 1 Review and 1 Rating

5 star
4 star
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1 star
sofamusician

Simple pedal platform to practice at higher volumes

The EHX 5mm is a simple and affordable power amp pedal. It has been useful to connect my practice pedalboard into a 10" cab (Harley Benton G110) to get a fuller sound compared to headphone practice or smaller combos.

The 5mm pedal provides more than enough volume in this context, and can work connected to the pedalboard battery (Harley Benton PowerPlant PowerBank+ mk2), which makes it a portable solution (with lighter cabs).

This pedal was also quite affordable. I was lucky to get it right before it was discontinued in 2025.

The only drawback is the lack of an on/off button, which requires to use the power connection as such.

From Gear Setup

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 Electro-Harmonix 5MM, it is most commonly used with the following gear.

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Community setups

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sofamusician

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Gear IQ 855

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