Eurorack + Modular Synths

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  1. Vermona MEX3 meloDICER Expander
    Vermona MEX3 meloDICER Expander 4hp
    $189.99

    In Stock Available immediately!
  2. Instruo DivKid øchd Expander
    Instruo DivKid øchd Expander 4hp
    $109.00

    In Stock Available immediately!
  3. OXI Pipe Eurorack Breakout for OXI One
    OXI Instruments Pipe Eurorack Breakout for OXI One 6hp
    $99.00

    In Stock Available immediately!
  4. Blukać Endless Processor Expander Kit
    Blukać Endless Processor Expander Kit 4hp
    As low as $159.00
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  5. Rossum Locutus
    Rossum Locutus MIDI Mediator Expander for Assimil8or 6hp
    As low as $229.00
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  6. ALM PPexp1 Pamela's Pro Workout Expander
    ALM Busy Circuits PPexp1 Pamela's Pro Workout Expander 4hp
    $149.00

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  7. Der Mann mit der Maschine E4
    Der Mann mit der Maschine E4 Rotary Encoder Expander for Droid 6hp
    $189.99

    In Stock Available immediately!
  8. Expert Sleepers FHX-8CV FH-2 Factotum Expander
    Expert Sleepers FHX-8CV FH-2 Expander 4hp
    $145.00

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  9. XOR Electronics Multi-IO Expander for NerdSEQ
    XOR Electronics Multi-IO Expander for NerdSEQ 6hp
    As low as $289.99
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  10. After Later Audio Barback
    After Later Audio Barback Channel Expander for Bartender 10hp
    • NEW
    $160.00

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  11. Intellijel Designs CVx Expander Module
    Intellijel Designs CVx Expander Module 14hp
    $179.00

    In Stock Available immediately!
  12. XAOC Devices Jena Binary Transfunctioner
    XAOC Devices Jena Binary Transfunctioner 8hp
    $280.00

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  13. Boredbrain Music Xcelon xp3
    Boredbrain Music Xcelon xp3 3-Channel Stereo Mix Expander 22hp
    $399.00

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  14. XAOC Devices Deva 1970 Feedback Loop Commander
    XAOC Devices Deva 1970 Feedback Loop Commander 8hp
    $209.99

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  15. Expert Sleepers CVM-8
    Expert Sleepers CVM-8 CV to MIDI + I2C Converter 4hp
    $225.00

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  16. Dnipro Modular Ewa Expander for Krait
    Dnipro Modular Ewa Expander for Krait 4hp
    $139.99

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  17. Shakmat Modular Bard Quartet Expander
    Shakmat Modular Bard Quartet Expander 2hp
    $129.99

    In Stock Available immediately!
  18. Ritual Electronics Crime II
    Ritual Electronics Crime II Expander for Miasma 4hp
    $125.00

    In Stock Available immediately!
  19. Intellijel Designs Tête Expander for Tetrapad
    Intellijel Designs Tête Expander for Tetrapad 8hp
    $299.00

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  20. ESX-8CV Mk2 Expansion
    Expert Sleepers ESX-8CV Mk2 Expansion 4hp
    $175.00

    In Stock Available immediately!
  21. Der Mann mit der Maschine X7
    Der Mann mit der Maschine X7 MIDI + USB Expander for Droid 4hp
    $239.99

    In Stock Available immediately!
  22. Lipsk Drezno Expander
    XAOC Devices Lipsk Drezno Expander 6hp
    $175.00

    In Stock Available immediately!
  23. Intellijel Gx Gate Expander for Metropolix
    Intellijel Designs Gx Gate Expander for Metropolix 4hp
    $69.00

    In Stock Available immediately!
  24. ES-5 mk3 Expander for ES-3
    Expert Sleepers ES-5 mk3 Expander for ES-3 4hp
    $125.00

    In Stock Available immediately!
  25. Der Mann mit der Maschine M4
    Der Mann mit der Maschine M4 Motorized Fader Expander for Droid 14hp
    $499.00

    In Stock Available immediately!
  26. Der Mann mit der Maschine B32
    Der Mann mit der Maschine B32 Button Expander for Droid 10hp
    $289.99

    In Stock Available immediately!
  27. vpme.de QEX Quad Drum Expander
    vpme.de QEX Quad Drum Expander 4hp
    $140.00

    In Stock Available immediately!
  28. Sdkc Instruments Addition Expander for Helical
    Sdkc Instruments Addition Expander for Helical 4hp
    $109.99

    In Stock Available immediately!
  29. Der Mann mit der Maschine P10
    Der Mann mit der Maschine P10 Knob Expander for Droid 5hp
    $126.99

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  30. Expert Sleepers Tiny MIDI Breakout Expander
    Expert Sleepers Tiny MIDI Breakout Expander 2hp
    $55.00

    In Stock Available immediately!
  31. Instruo Arbhar v2.0 Firmware Expansion Pack
    Instruo Arbhar v2.0 Firmware Expansion Pack 2hp
    $109.00

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  32. XAOC Devices HEL Odessa Expander
    XAOC Devices HEL Odessa Expander 3hp
    $95.00

    In Stock Available immediately!
  33. Der Mann mit der Maschine P2B8
    Der Mann mit der Maschine P2B8 Knob + Button Expander for Droid 5hp
    As low as $126.99
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  34. XAOC Devices HRAD Praga Expander
    XAOC Devices HRAD Praga Expander 10hp
    $280.00

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  35. Der Mann mit der Maschine G8
    Der Mann mit der Maschine G8 Gates Expander for Droid 4hp
    $159.99

    In Stock Available immediately!
  36. Befaco Hexpander
    Befaco Hexpander Hexmix Expander 28hp
    $369.99

    In Stock Available immediately!
  37. XAOC Devices NIN Zadar Expander
    XAOC Devices NIN Zadar Expander 3hp
    $75.00

    In Stock Available immediately!
  38. XAOC Poti II 1974 Expander for Batumi II
    XAOC Devices Poti II 1974 Expander for Batumi II 4hp
    $99.99

    In Stock Available immediately!
  39. ALM PPexp2 Pamela's Pro Workout Expander
    ALM Busy Circuits PPexp2 Pamela's Pro Workout Expander 2hp
    $99.00

    In Stock Available immediately!
  40. XAOC Devices Ostankino II Moskwa II Expander
    XAOC Devices Ostankino II Moskwa II Expander 8hp
    $195.00

    In Stock Available immediately!
  41. Der Mann mit der Maschine R2M / R2C
    Der Mann mit der Maschine R2M / R2C Droid Link System
    $139.99

    In Stock Available immediately!
  42. XOR More Video-IO NerdSEQ Video Output Expander
    XOR Electronics More Video-IO NerdSEQ Video Output Expander 6hp
    As low as $239.00
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  43. Expert Sleepers FHX-8GT Gate Expander for FH-2 Factotum
    Expert Sleepers FHX-8GT Gate Expander for FH-2 4hp
    $99.00

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    We're awaiting our next batch of this item. Pre-order to reserve your place in line and we'll fulfill your order as soon as we receive our shipment
  44. Doepfer A-154 Sequencer Controller
    Doepfer A-154 Sequencer Controller 22hp
    As low as $218.00
    Multiple Options Make a selection for stock info
  45. Tubbutec uTune Dual Expander
    Tubbutec uTune Dual Expander 2hp
    As low as $170.00
    Multiple Options Make a selection for stock info
  46. XAOC Devices Poczdam Leibniz Device Komutator
    XAOC Devices Poczdam Leibniz Device Komutator 10hp
    $210.00

    In Stock Available immediately!

1-48 of 151 items

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Modular synths are one of the most inspiring tools available to electronic musicians today: synthesizers that you can assemble yourself from core components, building an instrument specifically meant for your music and your workflow. These core components, called modules, each perform an individual function. Some generate sound, some process sound, and some provide a way to control other modules.

At Perfect Circuit we specialize in the Eurorack format of modular synthesizers, a standard developed by Dieter Doepfer in order to provide musicians easy and affordable access to the techniques from the large analog synths of yesteryear: Moog, Buchla, ARP, and Serge systems, and many more. Since then, Eurorack has grown considerably—now offering a wide range of unique sonic opportunities.

Now, manufacturers like Verbos Electronics and Random*Source focus on adapting classic analog designs for use in modern music. Others, like Noise Engineering, Industrial Music Electronics, or Mutable Instruments, work in the digital realm to bring new techniques to the world of hardware. Others like Rossum Electro-Music and Make Noise work in both domains to make instruments that strike an uncanny balance between analog and digital, opening new worlds of expression.

Through some combination of these modules, a mess of patch cables, and a healthy does of experimentation, many musicians have found their own unique voices: and perhaps you will find yours there, too.