Electro Harmonix Micro Q Tron Filter Pedal

£89.99

On the menu for January 2026 are the Electro Harmonix Guitar Pedals, freshly added and carefully selected. These New units are available to order online with fast, secure delivery from trusted UK retailers. Read on for full details, specifications, demos, videos, reviews, and the best places to buy the Electro Harmonix Guitar Pedals today.


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Description

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On the menu for January 2026 are the Electro Harmonix Guitar Pedals, freshly added and carefully selected. These New units are available to order online with fast, secure delivery from trusted UK retailers. Read on for full details, specifications, demos, videos, reviews, and the best places to buy the Electro Harmonix Guitar Pedals today.

Player controlled dynamics moving a precise multi-mode filter with a sweet adjustable Q makes the Micro Q-Tron an amazing envelope follower.

The Electro-Harmonix Micro Q-Tron Envelope Follower Effects Pedal is everything you love about the Mini Q-Tron, in an even smaller, rounded-corner die-cast case! The Micro Q-Tron is a unique type of sound modifier, in which the user's playing style controls the effect.

The volume of the input signal (also called the envelope) controls the cutoff frequency of a swept filter. As the volume increases or decreases, so does the pitch of the filter.

Controls

Drive Control – The filter sweep sensitivity control. Determines the width of the filter's sweep range by the input signal. Produces more sweep when turned clockwise.

Q Control – Determines the frequency peak of the filter. Creates a more dramatic effect when turned clockwise. Mode Switch (LP, BP, HP) Determines what frequency range the filter will pass through. Emphasizes lows in LP (Low Pass), midrange in BP (Band Pass), and highs in HP (High Pass).

Footswitch – Engages and disengages the effect.

Connections – Connect your instrument to the Input jack and your amplifier to the Output jack.

Power – The Micro Q-Tron is powered by either a 9V battery or an optional 9V 100mA 1/8" tip positive adapter. Inserting a cable into the Input jack engages the battery. For longer battery life disconnect the input cable when not in use.

Playing The Micro Q-Tron

The Micro Q-Tron's effect is controlled by the user's playing dynamics – a stronger attack will yield a more dramatic effect, while softer playing will produce more subtle effects. Use the full range of control settings in combination with different playing techniques to obtain a number of different and unique effects combinations.

Features

  • Attack controlled sweep filter
  • Highly adjustable
  • Small die cast case 
  • Battery Included – Power Supply Available

Additional information

Weight 0.5 kg

Brand

Electro Harmonix

Electro-Harmonix (EHX) is a legendary manufacturer of guitar pedals and audio electronics, renowned for their distinctive sound and pioneering designs. Established in 1968 by Mike Matthews, EHX has played a significant role in shaping the landscape of effects pedals. The company’s pedals are celebrated for their innovative circuits and unique tones, earning them a dedicated following among musicians across genres. From classics like the Big Muff Pi fuzz to modern favorites like the POG octave generator, Electro-Harmonix pedals are known for their versatility and sonic character.

EHX’s product lineup spans a wide range of effects categories, including distortion, modulation, delay, and reverb, among others. Their pedals often feature intuitive controls and rugged construction, making them suitable for both stage and studio use. In addition to their iconic standalone pedals, Electro-Harmonix has also produced notable units such as the Memory Man delay/echo and the Holy Grail reverb, which have become staples in many guitarist’s rigs. With a legacy of innovation and a commitment to quality, Electro-Harmonix continues to be a leading force in the world of guitar effects, inspiring musicians to explore new sonic possibilities.

Category

Guitar Pedals

Tags

envelope filter

Filter

New

This is brand new, fresh in, and a UK warranty is included. New Gear always comes from trusted UK music retailers.

Pitch

Pitch pedals alter the frequency of your guitar signal, changing the perceived note or adding harmony. They can shift notes up or down by fixed intervals, create harmonies, or produce dive-bomb and whammy-style effects without a tremolo arm. Pitch shifters and harmonisers are great for thickening solos, simulating multiple guitars, or experimenting with creative, otherworldly sounds that expand your tonal range.

Volume

Volume pedals control the output level of a guitar signal using a foot-operated treadle. They allow smooth volume swells, dynamic control during playing, and easy muting between songs. Volume pedals can be placed at different points in the signal chain to either control overall loudness or adjust gain and drive behaviour when positioned before distortion or overdrive pedals.