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Behringer Kobol Expander Semi-modular Analog Synthesizer

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Behringer Kobol Expander Semi-modular Analog Synthesizer

$149.00 to $259.97 Price Tier: Budget

Find out who is using Behringer Kobol Expander

4 community setups

4 wishlisted

17 saved

Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated July 4, 2026.

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Reviews

Price

5.0 (11)

$249.00

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5.0 (2)

$249.00

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5.0 (1)

$259.97 1 available New

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4.0 (11)

$249.00

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$249.00

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4.8 (124)

$149.00

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£152.00

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Average Price: $234

Budget/Beginner

$500

$1501+

Price Tier

In the Synthesizers category, Behringer Kobol Expander Semi-modular Analog Synthesizer is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

Budget

Standard

High-end

Price History

Based on price data from 4 merchants for "Behringer Kobol Expander Semi-modular Analog Synthesizer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Experience the perfect harmony of vintage charm and modern connectivity with the Behringer Kobol Expander Semi-modular Analog Synthesizer. This duophonic marvel captures the essence of 1970s analog sound, offering a rich palette of tones through its two voltage-controlled oscillators. With seven morphable waveforms, you can seamlessly blend between classic shapes like sine, sawtooth, and square, allowing for an expansive range of sound sculpting options. The Eurorack-compatible design ensures easy integration into your existing modular setup, making it a perfect companion for any musician seeking to enhance their sonic toolkit.

The Kobol Expander is built for those who thrive on experimentation. Its semi-modular format, complete with 32 patch points, invites you to explore a universe of creative possibilities. Whether you're syncing oscillators, engaging the noise generator, or utilizing the comprehensive LFO, each component is designed to push the boundaries of sound design. The rich, saturating 4-pole low-pass filter provides the warmth and depth that defined the iconic analog sounds of yesteryear, while the robust connectivity options, including MIDI and USB, ensure seamless interaction with your digital and analog gear.

Ideal for both standalone use and as part of a larger modular system, the Kobol Expander is your gateway to crafting unique, dynamic soundscapes. Dive into the world of analog synthesis with this versatile instrument and discover new horizons in music creation.

Key Features:

Two VCOs with seven continuously morphable waveforms
Semi-modular design with 32 patch points
4-pole low-pass filter with natural saturation
Bi-modal LFO with triangle and square waveforms
Eurorack-compatible form factor
Poly Chain function for up to 16-voice polyphony
Comprehensive MIDI and USB connectivity options

Product specs

Type	Semi-Modular Desktop Synthesizer
Analog/Digital	Analog
Polyphony	Duophonic
Oscillators	2 x Analog VCO
Waveforms	Morphing: 7 waveforms
Noise Generator	Pink, White
Envelope Generator	2 x EG (Attack, Decay, Sustain)
LFO	1 x LFO (square, triangle)
VCA	2 x VCA
Filter	Frequency, Resonance
Analog Outputs	1 x 1/4" TS, 1 x 1/8" TS
Headphones	1 x 1/8"
MIDI I/O	In, Thru
Other I/O	32 x 1/8" patchbay points
USB	1 x Type B
Power Supply	12V DC adapter
HP Size	80HP
Height	5.4"
Width	16.7"
Depth	3.7"
Weight	3.64 lbs.

FAQs

Is the Behringer Kobol Expander Synthesizer fully modular?: The Behringer Kobol Expander is a semi-modular synthesizer, meaning it can function without patching but offers extensive patch points for further sound design flexibility.
Can the Behringer Kobol Expander be used with other Eurorack modules?: Yes, the Behringer Kobol Expander features 32 patch points compatible with Eurorack modules, allowing integration into larger modular setups.
What type of synthesis does the Behringer Kobol Expander utilize?: The Behringer Kobol Expander uses analog synthesis with two VCOs capable of morphing between seven waveforms, delivering a rich, vintage sound.
Does the Behringer Kobol Expander support MIDI connectivity?: Yes, the Behringer Kobol Expander includes MIDI In and Thru ports, as well as USB connectivity, for seamless integration with MIDI controllers and DAWs.
What kind of power supply does the Behringer Kobol Expander require?: The Behringer Kobol Expander operates with a 12V DC adapter, which is included with the synthesizer.

Videos

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Behringer

The Elusive French Legend, Introducing the KOBOL EXPANDER (Part One)

Behringer

Behringer Kobol Expander - SonicLAB Review

sonicstate

Behringer Kobol Expander Classic Patches Sound Demo. No Talk

Anton Anru

Behringer Kobol Expander Sound Demo (no talking) feat. Zen Delay: Presets for Techno and Electronica

Limbic Bits

Behringer Kobol Expander (and the Leipzig V3)

Starsky Carr

Get the Most from the Behringer Kobol // 10 patching ideas

Starsky Carr

Behringer Kobol Expander Modular Patches Sound Demo. No Talk

Anton Anru

Behringer Kobol Expander Unboxing and Jam

fertilesound

Reviews

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PROS

Insanely versatile; great as a synth expander or standalone
Exceptional for bass with a gritty, unique 4-pole VCF
Extensive patchpoints for creative external modulation
Unique timbral variation from VCO waveform modulation
MIDI compatibility (5-pin and USB) enhances connectivity
Analog EGs are snappy, with intuitive knob control for precision
Offers rare CV patching opportunities for in-depth sound sculpting
High-quality sound at a great price point
Can chain multiple units for expanded soundscapes

CONS

Only a single LFO with two shapes
Absence of CV Input control for PWM
Combined decay and release control for envelopes
Non-standard labeling can be confusing
Lacks a detailed user manual
Dummy patch cable required to break certain routings

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Behringer Kobol Expander Semi-modular Analog Synthesizer.

Features and functionality

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The Kobol Expander lacks CV/gate out, requiring additional gear like Arturia Keystep for pitch CV/gate control with external oscillators.
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The Expander includes three internal VCAs, but external audio must pass through the filter first, limiting direct VCA input options.
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The Kobol Expander is noted for its extensive patch points, providing more modular patching capabilities compared to the Behringer Cat.
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Some users report the LFO "Volume" knob is best left at zero, suggesting it might be mislabeled, which initially causes confusion in sound design.
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Software and compatibility

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The device has a single audio input and a 2-to-1 mixer via a voltage processor, limiting use to two external oscillators unless a separate mixer is added.
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Comparisons

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Compared to the Behringer 2600, the Kobol Expander offers fewer mixer inputs and lacks built-in keyboard pitch CV/gate out, making the 2600 a more seamless option for modular setups.
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Owners express a preference for the Kobol's simplicity and sound over the Behringer Cat, particularly for those seeking ease of play without extensive patching.
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Compared to the Model D, the Kobol Expander delivers a broader sound range but requires more tweaking to find musically pleasing tones.
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Use cases and applications

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The Kobol Expander's design allows exploration of vintage module sounds without assembling a full system, ideal for those seeking vintage Moog, ARP, and Roland tones.
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The Kobol Expander is appreciated for its ability to produce distinct tonal textures when driven hard, offering a unique sound palette compared to other semi-modulars.
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The Kobol Expander is favored for creating diverse sounds in standalone mode without heavy reliance on patching, making it suitable for users wanting a straightforward setup.
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User experience

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Some owners find the Kobol Expander more engaging and enjoyable to play than the Behringer Cat, citing its distinct sound characteristics as a primary reason.
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Owners find the Kobol Expander intuitive and suitable for beginners, offering ease of use and quick access to lush sounds compared to the Model D.
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The Kobol Expander is perceived as a reliable instrument, despite its low price, and provides a different experience from hybrid synths like the Korg Minilogue XD.
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