Hologram Electronics Microcosm review

Combining elements of delay, reverb, looping and modulation, the Microcosm is an entrancing introduction to the creative possibilities of the “granular effects pedal”

Hologram Electronics Microcosm
(Image: © Hologram Electronics)

Guitar World Verdict

Truly unlike any other stompbox you’ve ever heard, the Hologram Microcosm generates a wealth of sophisticated textures, soundscapes and rhythmic patterns that are sure to inspire open-minded creative musicians.


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    A wealth of provocative tones, textures and rhythms.

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    16 user presets for effects settings, overdubs and loops.

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    The phrase looper has up to 60 seconds of recording time.

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    Hold sampler function is cool.


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You can trust Guitar World Our expert reviewers spend hours testing and comparing guitar products so you can choose the best for you. Find out more about how we test.

For decades, the boutique pedal market consisted mostly of builders who refined somewhat low- to middle-tech designs and relied heavily on obscure and obsolete new old stock parts that were too rarified for mass consumption. 

Sophisticated, high-tech effects were the domain of bigger companies with bigger budgets and armies of engineers, which led to some stellar innovations that unfortunately often lacked the personality and quirk that comes from more individual creativity.

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Chris Gill

Chris is the co-author of Eruption - Conversations with Eddie Van Halen. He is a 40-year music industry veteran who started at Boardwalk Entertainment (Joan Jett, Night Ranger) and Roland US before becoming a guitar journalist in 1991. He has interviewed more than 600 artists, written more than 1,400 product reviews and contributed to Jeff Beck’s Beck 01: Hot Rods and Rock & Roll and Eric Clapton’s Six String Stories.