Expander Modules

70 instruments available

Shop Expander Modules 2026

Squarp Instruments xp32 - Expander Modules

Squarp Instruments xp32

Expander Modules

$637
Eurorack Module, Expander for Hermod+ sequencer Art.#577702# (not included), Extends Hermod+...
4.5 Expert Rating
ADDAC 506B Stochastic Function Exp. - Expander Modules

ADDAC 506B Stochastic Function Exp.

Expander Modules

$116
Eurorack Module, Extension for ADDAC 506 VC Stochastic Function Generator (Art....
5 Expert Rating
XAOC Devices Arad - Expander Modules

XAOC Devices Arad

Expander Modules

$131
Eurorack Module, Expander for XAOC devices Oradea (Art. #617684#, not included), Expands each...
4.4 Expert Rating
OXI Instruments Pipe MKII - Expander Modules

OXI Instruments Pipe MKII

Expander Modules

$121
Eurorack Breakout Module, For OXI One MKII sequencer (Art. #617329# and #617331#), 8 CV and...
4.8 Expert Rating
Intellijel Designs Atlx 1U - Expander Modules

Intellijel Designs Atlx 1U

Expander Modules

$72
Expander, Suitable for Intellijel Designs Atlantix (Art. #594148#), Expands Atlantix with a...
4.6 Expert Rating
4ms MetaAIO - Expander Modules

4ms MetaAIO

Expander Modules

$197
Eurorack Module, Audio Expander for 4ms Meta Module (Art. #597515#), Expands the Meta Module with 6...
4.6 Expert Rating
4ms Module Wi-Fi Expander - Expander Modules

4ms Module Wi-Fi Expander

Expander Modules

$109
Eurorack Module, Extension for 4 ms Meta Module (Art.#597515#), Enables a Wi-Fi connection...
4.7 Expert Rating
Erica Synths Graphic Resonant FB Expander - Expander Modules

Erica Synths Graphic Resonant FB Expander

Expander Modules

$127
Eurorack Module, Extends the Graphic Resonant FB (Art. #599424# not...
4.8 Expert Rating
XAOC Devices Ustka - Expander Modules

XAOC Devices Ustka

Expander Modules

$72
Eurorack Module, Expander for XAOC Devices Ostrawa (Art.#567989#), Expands each Ostrawa channel by...
4.9 Expert Rating
XAOC Devices Lipsk II - Expander Modules

XAOC Devices Lipsk II

Expander Modules

$174
Eurorack Module, Expander for Drenzo module, Inversion of the individual bits produced by Drezno...
5 Expert Rating
Der Mann mit der Maschine E4 Controller - Expander Modules

Der Mann mit der Maschine E4 Controller

Expander Modules

$185
Eurorack Module, Expands Droid Master (Art. #542913#) with 4 freely assignable...
4.6 Expert Rating
Vermona Modular MEX3 - Expander Modules

Vermona Modular MEX3

Expander Modules

$197
Eurorack Module, MIDI expander for meloDICER (Art. #495494#, not included), MIDI output of the...
4.5 Expert Rating
NANO Modules EXP4 - Expander Modules

NANO Modules EXP4

Expander Modules

$94
Eurorack Module, Expander for NANO Modules Performance Mixer (Art. #579657#), Extends the...
4.4 Expert Rating
Neuzeit Instruments WarpEX - Expander Modules

Neuzeit Instruments WarpEX

Expander Modules

$131
Eurorack Module, Extends Neuzeit Instruments Warp (Art. #578951#) with four CV/gate inputs...
4.9 Expert Rating
XAOC Devices Poti II - Expander Modules

XAOC Devices Poti II

Expander Modules

$98
Eurorack Module, Expander for Batumi II 4-channel LFO (Art. #578937#), Expands each channel with...
5 Expert Rating
XAOC Devices Deva - Expander Modules

XAOC Devices Deva

Expander Modules

$197
Eurorack module, Expander for XAOC Devices Timiszoara (Art. 544392), Two analog feedback loops (for...
4.7 Expert Rating
XAOC Devices Rostock - Expander Modules

XAOC Devices Rostock

Expander Modules

$284
Eurorack Module, Binary Data Pipeline, Part of the Leibniz subsystem (can be combined with Drezno...
4.7 Expert Rating
XAOC Devices Bohumin - Expander Modules

XAOC Devices Bohumin

Expander Modules

$285
Eurorack module, Expander for XAOC Devices Ostrawa (Art.#567989#), Expands Ostrawa with a second...
4.7 Expert Rating
Shakmat Modular Bard Quartet Expand - Expander Modules

Shakmat Modular Bard Quartet Expand

Expander Modules

$109
*Note:* to operate Bard Quartet Expand, older Bard Quartet modules up to batch number A-11 must receive a firmware...
4.7 Expert Rating
Der Mann mit der Maschine S10 Controller - Expander Modules

Der Mann mit der Maschine S10 Controller

Expander Modules

$153
Eurorack Module, Expands the Droid Master (Art.#542913#) by two...
4.7 Expert Rating
XAOC Devices Gera - Expander Modules

XAOC Devices Gera

Expander Modules

$171
Eurorack Module, Binary Product Commander, Extension module for Leibniz Subsystems, Applies AND...
5 Expert Rating
Robaux MIDI Expander 2HP - Expander Modules

Robaux MIDI Expander 2HP

Expander Modules

$16
MIDI-Out Expander, For Robaux LL8 II Eurorack module (Art.#554697# - not included), 3.5 mm...
4.4 Expert Rating
vpme.de QEX - Expander Modules

vpme.de QEX

Expander Modules

$143
Eurorack Module, Expander for QD (item no. 474169), Expands QD with 2 assignable outputs, 4 CV inputs (-5V...
4.6 Expert Rating
4ms RCD Breakout - Expander Modules

4ms RCD Breakout

Expander Modules

$105
Expander, Expander for 4ms Rotating Clock Divider (art. #545215#), Switch for gate/trigger mode,...
4.8 Expert Rating
Der Mann mit der Maschine P2B8 Controller Yellow - Expander Modules

Der Mann mit der Maschine P2B8 Controller Yellow

Expander Modules

$142
Eurorack Module, Expands Droid Master (art. #542913#, not included)...
4.9 Expert Rating
Der Mann mit der Maschine P2B8 Controller Red - Expander Modules

Der Mann mit der Maschine P2B8 Controller Red

Expander Modules

$139
Eurorack Module, Expands Droid Master (art. #542913#, not included) by 2...
4.4 Expert Rating
Der Mann mit der Maschine P2B8 Controller Green - Expander Modules

Der Mann mit der Maschine P2B8 Controller Green

Expander Modules

$139
Eurorack Module, Expands Droid Master (art. #542913#, not included) by...
4.9 Expert Rating
Der Mann mit der Maschine P2B8 Controller Blue - Expander Modules

Der Mann mit der Maschine P2B8 Controller Blue

Expander Modules

$142
Eurorack Module, Expands Droid Master (art. #542913#, not included) by...
4.6 Expert Rating
Der Mann mit der Maschine P2B8 Controller - Expander Modules

Der Mann mit der Maschine P2B8 Controller

Expander Modules

$119
Eurorack Module, Expands Droid Master (art. #542913#, not included) by 2...
4.8 Expert Rating
Der Mann mit der Maschine P10 Controller - Expander Modules

Der Mann mit der Maschine P10 Controller

Expander Modules

$113
Eurorack Module, Expands Droid Master (Art. 542913, not included) by 2 large...
4.8 Expert Rating
Der Mann mit der Maschine B32 Controller - Expander Modules

Der Mann mit der Maschine B32 Controller

Expander Modules

$295
Eurorack Module, Expands Droid Master (art. #542913#, not included) by 32...
4.6 Expert Rating
Der Mann mit der Maschine X7 Expander - Expander Modules

Der Mann mit der Maschine X7 Expander

Expander Modules

$251
Eurorack Module, Expands Droid Master (art. #542913#, not included) with MIDI...
4.8 Expert Rating
Der Mann mit der Maschine G8 Expander - Expander Modules

Der Mann mit der Maschine G8 Expander

Expander Modules

$163
Eurorack Module, Expands Droid Master (art. #542913#, not included) by 8 jacks...
5 Expert Rating
Intellijel Designs USB Extender 1U/3U - Expander Modules

Intellijel Designs USB Extender 1U/3U

Expander Modules

$48
Eurorack Module, Adapter to make rear USB ports of modules permanently...
4.5 Expert Rating
Doepfer A-126-2 Expander VE - Expander Modules

Doepfer A-126-2 Expander VE

Expander Modules

$57
Eurorack module, Vintage Edition with black front panel, Expander for A-126-2 frequency...
4.7 Expert Rating
Doepfer A-126-2 Expander - Expander Modules

Doepfer A-126-2 Expander

Expander Modules

$53
Eurorack module, Expander for A-126-2 frequency shifter, Two dome filter outputs, Two ring...
4.8 Expert Rating
Befaco MEX - Expander Modules

Befaco MEX

Expander Modules

$94
Eurorack Module, Expander module for Befaco Muxlicer (Art.#466975#), Expands Muxlicer by an additional...
4.7 Expert Rating
Expert Sleepers Tiny MIDI Breakout - Expander Modules

Expert Sleepers Tiny MIDI Breakout

Expander Modules

$54
Eurorack module, TRS MIDI adapter for Disting MK4, Super Disting EX Plus Alpha,...
4.8 Expert Rating
XAOC Devices Ostankino II - Expander Modules

XAOC Devices Ostankino II

Expander Modules

$185
Eurorack Module, Expander for Moskwa II sequencer (Art.#521036#), Expands Moskwa II with CV...
4.5 Expert Rating
Erica Synths Black VCF Coupler - Expander Modules

Erica Synths Black VCF Coupler

Expander Modules

$83
*Note:* For operation, the Black Low-Pass Filter (Art.#518165#) and the Black High-Pass Filter (Art.#518166#) are...
4.4 Expert Rating
ADDAC 501B Complex Random Expansion - Expander Modules

ADDAC 501B Complex Random Expansion

Expander Modules

$149
Eurorack Module, Extension to the ADDAC 501 Complex Random (available under...
4.8 Expert Rating
Intellijel Designs CVx 1U - Expander Modules

Intellijel Designs CVx 1U

Expander Modules

$204
Extension Set, For the MIDI 1U module by Intellijel (available under Article Nr #505285#...
4.7 Expert Rating
Intellijel Designs XY IO 1U - Expander Modules

Intellijel Designs XY IO 1U

Expander Modules

$23
Expander, For use with other Intellijel products, including: Mixup, Pedal I/O 1U, 62...
4.5 Expert Rating
Intellijel Designs Stereo Line In Jacks 1U - Expander Modules

Intellijel Designs Stereo Line In Jacks 1U

Expander Modules

$23
Balanced Input Jacks, 2x Balanced 6.3 mm TRS input jacks for the 1U stereo...
4.7 Expert Rating
Intellijel Designs Tete - Expander Modules

Intellijel Designs Tete

Expander Modules

$350
Intellijel Designs Tête, Eurorack Module, Expander for the Tetrapad by Intellijel (available under Article Nr #440071#...
4.6 Expert Rating
XAOC Devices Jena - Expander Modules

XAOC Devices Jena

Expander Modules

$274
Eurorack Module, 8-Bit processor for CV and audio signals, Member of the Leibniz subsystem (can be...
4.7 Expert Rating
XAOC Devices Hel - Expander Modules

XAOC Devices Hel

Expander Modules

$94
Eurorack Module, Polyphony Commander for XAOC's Odessa Oscillator (available under Article Nr...
4.7 Expert Rating
Intellijel Designs Qx - Expander Modules

Intellijel Designs Qx

Expander Modules

$86
Eurorack Module, Expander for the Quadrax module (available under Article Nr #477993# (not...
4.5 Expert Rating
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About Expander Modules

Expander modules extend the capabilities of modular synthesizers, providing additional voices, effects, or control options beyond what's possible with a single module. They're essential for users seeking greater sonic complexity and performance possibilities in their modular setups. These modules often address limitations in memory, polyphony, or processing power within a modular system.

Best For
Modular synthesizer enthusiasts sound designers experimental musicians live performance studio production
What to Look For
Connectivity options modulation capabilities voice count processing power power consumption size expandability routing flexibility

Expander Modules — Pros & Cons

PROS

  • Expand modular systems' capabilities significantly and creatively.
  • Offer increased polyphony and complex voice architecture.
  • Provide advanced control and modulation possibilities.
  • Can integrate seamlessly with existing modular workflows.

CONS

  • Can significantly increase system complexity and power needs.
  • Require careful planning to ensure compatibility and routing.
  • May introduce latency depending on processing requirements.
  • Can be a significant investment relative to core modules.

Frequently Asked Questions About Expander Modules

Check voltage standards (typically +12V/-12V), power requirements, and physical size to ensure proper integration.

Expanders typically offer more specialized functionality, like additional voices or complex processing, while multis primarily handle multiple routing options.

While some expanders offer additional patch points, their primary function is to extend core capabilities, not simply add more connections.

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