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Brand profile · Germany, est. 2010s

Schlappi Engineering

Schlappi Engineering is a relatively new name in the modular synthesizer world, quickly establishing a reputation for uncompromising sound quality and innovative circuit designs. Rooted in a deep understanding of audio engineering principles, their modules offer a unique sonic palette often characterized by aggressive textures and complex harmonic content. The brand’s focus is squarely on the experimental and adventurous sound designer.

Unique, aggressive sound characterCreative waveshaping and distortion techniquesInnovative logic and modulation modulesHigh-quality component selectionDistinctive, industrial aesthetic
2010sfounded
Germanycountry
21products in stock
$73–$671price range

All 21 Schlappi Engineering products

Sorted by AudioFu Index — the strongest models of every category first.

Schlappi Engineering BTFLD Black

Waveshaper, Distortion Modules

$245€219Check ↗

Schlappi Engineering BTFLD

Waveshaper, Distortion Modules

$268€239Check ↗

Schlappi Engineering BTMX

Logic Modules

$218€195Check ↗

Schlappi Engineering BTMX Black

Logic Modules

$223€199Check ↗

Schlappi Engineering Nibbler Black

Logic Modules

$268€239Check ↗

Schlappi Engineering Nibbler

Logic Modules

$279€249Check ↗

Schlappi Engineering Three Body

Oscillator Modules

$671€599Check ↗

Schlappi Engineering Boundary Layer

Envelope Modules

$380€339Check ↗

Schlappi Engineering Three Body Black

Oscillator Modules

$671€599Check ↗

Schlappi Engineering Angle Grinder Black

Oscillator Modules

$380€339Check ↗

Schlappi Engineering Angle Grinder

Oscillator Modules

$380€339Check ↗

Schlappi Engineering Boundary Layer Black

Envelope Modules

$391€349Check ↗

Schlappi Engineering Cascade Black

Expander Modules

$73€65Check ↗

Schlappi Engineering Cascade

Expander Modules

$73€65Check ↗

Schlappi Engineering Interstellar Radio Black

Waveshaper, Distortion Modules

$252€225Check ↗

Schlappi Engineering Interstellar Radio Black

Waveshaper, Distortion Modules

$252€225Check ↗

Schlappi Engineering 100 Grit Black

Filter Modules

$322€288Check ↗

Schlappi Engineering 100 Grit

Filter Modules

$312€279Check ↗

Schlappi Engineering Eddy Black

VCA Modules

$324€289Check ↗

Schlappi Engineering Boundary Black

VCA Modules

$256€229Check ↗

Schlappi Engineering Eddy

Mixer, Attenuator Modules

$324€289Check ↗

Schlappi Engineering, honestly

What Schlappi Engineering does well
  • Exceptional sound quality and character
  • Highly creative modulation and routing options
  • Robust build quality and reliability
  • Unique sonic textures unavailable elsewhere
  • Strong community support and growing popularity
What to watch for
  • Limited product range compared to larger brands
  • Can be intimidating for modular beginners
  • Modules are premium-priced, a significant investment
  • Aesthetic may not appeal to all users
  • Availability can sometimes be limited

Questions about Schlappi Engineering

Where are Schlappi Engineering instruments made?

Schlappi Engineering modules are hand-built in Germany, ensuring a high level of quality control and attention to detail throughout the manufacturing process.

Are Schlappi modules easy to integrate into existing modular systems?

While their design philosophy emphasizes experimentation, Schlappi modules adhere to standard Eurorack voltage and power specifications, making them generally compatible with most systems, though their sonic character is best explored in a flexible patching environment.

What is the design philosophy behind Schlappi Engineering’s sound?

Schlappi Engineering aims to move beyond conventional synthesizer sounds, focusing on creating modules that offer complex harmonic content, aggressive distortion, and unique waveshaping capabilities for sound design and experimental music production.

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