Behringer Kobol Expander

Professional music gear - detailed information and where to buy

Behringer Kobol Expander

Behringer

Kobol Expander

4.5 Expert Rating

Product Info

Article Number: 571630
Model: Kobol Expander
Category: Sound Modules
Price: $169.40

* Prices may vary. Check retailer for current pricing and availability.

The Kobol Expander is a seriously cool throwback, offering a taste of classic '70s synth design at a budget-friendly price. It's perfect for experimental sound designers, patch junkies, and anyone wanting to explore the roots of analogue synthesis without a huge investment. Just be aware of its limitations – it's not a powerhouse, but a charmingly quirky voice.

Product Description

  • Behringer Kobol Expander
  • Semi-modular Duophonic analogue synthesizer
  • Authentic reproduction of original “Kobol Expander” circuitry from the ‘70s
  • Semi-modular design allows access to all sound generation components via 31 sockets (3.5 mm jack)
  • Analogue signal path: VCO-VCF-VCA
  • 2 Oscillators with 7 waveforms
  • oscillator synchronisation and pulse width modulation
  • Low-pass filter with resonance (24dB/oct.)
  • LFO with 2 selectable waveforms (triangle
  • square) and several modulation destinations
  • 2 Envelopes
  • each with controls for attack
  • decay and sustain
  • Noise generator
  • Poly-chain function for connecting up to 16 devices
  • External audio input for connecting external sound sources
  • Volume control
  • Can be used as a complete Eurorack synthesiser voice (width: 80 HP)
  • Dimensions (W x D x H): 424 x 136 x 97 mm
  • Weight. 1.5 kg
  • Includes power supply unit (12V DC2
  • 1.0A)
  • *Connections: *
  • 1 Audio output: 6.3 mm jack
  • 1 Audio output: 3.5 mm jack
  • 1 Headphone output: 3.5 mm jack
  • 1 MIDI Thru: 5-pin DIN
  • USB MIDI
  • 1 USB port: type B
PROS
  • • Authentic '70s analogue character delivers surprising warmth and grit.
  • • Semi-modular design unlocks deep patching possibilities for creative exploration.
  • • The 24dB filter provides a creamy, resonant low-pass tone.
  • • Poly-chaining to 16 units offers expanded sonic potential at a low cost.
CONS
  • • Build quality feels plasticky; not the most robust construction.
  • • Limited polyphony (duophonic) restricts complex chord voicings.
  • • Lack of MIDI implementation demands external sequencing solutions.

Product Video

Key Features

Sounds Warm, vintage analogue tones with a raw, characterful edge; VCO-VCF-VCA architecture.
Polyphony Duophonic (two oscillators playing simultaneously).
Effects None built-in; relies on external effects or patching.
MIDI No MIDI implementation; CV/Gate only.
Connections 31 x 3.5mm patch sockets, external audio input, poly-chain connectors.
Weight Approximately 2.5 lbs (estimated, based on similar Behringer modules)

Similar Products

Zoom H4essential APH-4e Bundle - Portable Recorders

Zoom H4essential APH-4e Bundle

Portable Recorders

$208
4.8 Expert Rating
Ibanez GRGR221PA-AQB Bundle - ST Style Guitars

Ibanez GRGR221PA-AQB Bundle

ST Style Guitars

$325
5 Expert Rating
Tobinski LFOs - LFO Modules

Tobinski LFOs

LFO Modules

$373
Eurorack Module, Dual LFO with extensive modulation options, 16 selectable waveforms per LFO (sawtooth,...
4.5 Expert Rating
Shakmat Modular Bishop's Miscellenay MK2 - Trigger, CV Sequencer

Shakmat Modular Bishop's Miscellenay MK2

Trigger, CV Sequencer

$439
Shakmat Modular Bishop's Miscellenay MK2, Eurorack Module, Dual Step CV/Gate Recorder, consisting of a sequence...
4.6 Expert Rating
Manuel Rodriguez Superior Flamenco Sabicas C3-F - Flamenco Guitars

Manuel Rodriguez Superior Flamenco Sabicas C3-F

Flamenco Guitars

$957
Flamenco Guitar, Top: Solid European Carpathian spruce, Back and...
4.8 Expert Rating
Manuel Rodriguez Superior Anniversario 120 J-SB - 4/4 Size Classical Guitars

Manuel Rodriguez Superior Anniversario 120 J-SB

4/4 Size Classical Guitars

$1,099
Classical Guitar, Special model for the anniversary of Guitarras...
4.6 Expert Rating
Kawai K-200 ATX 4 WDB Piano - Pianos

Kawai K-200 ATX 4 WDB Piano

Pianos

$9,119
Piano, With AnytimeX-4 equipment, Millennium III mechanics with ABS carbon parts of...
4.5 Expert Rating
Vostok Instruments Trace - Mixer, Attenuator Modules

Vostok Instruments Trace

Mixer, Attenuator Modules

$153
Eurorack Module, Analogue morphing scanner, 4-channel crossfader/scanner for audio and CV...
4.7 Expert Rating

Frequently Asked Questions

It produces interesting, sometimes chaotic, rhythmic patterns and adds a unique texture when oscillators are slightly detuned.
It has a steeper learning curve than a standard synth, but the included sockets and clear labelling make experimentation accessible with a little patience.
Yes, its 80HP footprint makes it a direct fit for most Eurorack systems, allowing it to be integrated into larger modular setups.

We use cookies to improve your experience. Learn more