Eurorack + Modular Synths

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  1. XOR Electronics DualChord Expander for NerdSEQ
    XOR Electronics DualChord Expander for NerdSEQ 6hp
    As low as $199.99
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  2. ALM Busy Circuits Axon-2
    ALM Busy Circuits Axon-2 Expander for ALM Modules 8hp
    $189.99

    In Stock Available immediately!
  3. OXI Pipe Eurorack Breakout for OXI One
    OXI Instruments Pipe Eurorack Breakout for OXI One 6hp
    $110.00

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  4. XOR Electronics Multi-IO Expander for NerdSEQ
    XOR Electronics Multi-IO Expander for NerdSEQ 6hp
    As low as $289.99
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  5. Der Mann mit der Maschine M4
    Der Mann mit der Maschine M4 Motorized Fader Expander for Droid 14hp
    $499.00

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  6. After Later Audio Barback
    After Later Audio Barback Channel Expander for Bartender 10hp
    $160.00

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  7. 4MS Wi-Fi Expander for MetaModule
    4MS Wi-Fi Expander for MetaModule 4hp
    $100.00

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  8. Five12 Jack Expander MKII for Vector Sequencer
    Five12 Jack Expander MKII for Vector Sequencer 8hp
    As low as $289.00
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  9. XAOC Poti II 1974 Expander for Batumi II
    XAOC Devices Poti II 1974 Expander for Batumi II 4hp
    $99.99

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

    In Stock Available immediately!
  11. Shakmat Modular Bard Quartet Expander
    Shakmat Modular Bard Quartet Expander 2hp
    $129.99

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  12. ADDAC System ADDAC807C (Black)
    ADDAC System ADDAC807C VC Stereo Mixer Expansion (Black) 38hp
    $710.00

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  13. Intellijel Designs Tête Expander for Tetrapad
    Intellijel Designs Tête Expander for Tetrapad 8hp
    $299.00

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  14. ALM PPexp1 Pamela's Pro Workout Expander
    ALM Busy Circuits PPexp1 Pamela's Pro Workout Expander 4hp
    $149.00

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  15. Der Mann mit der Maschine B32
    Der Mann mit der Maschine B32 Button Expander for Droid 10hp
    $289.99

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  16. XOR Electronics NerdSEQ CV16 Expander
    XOR Electronics NerdSEQ CV16 Expander 8hp
    As low as $199.99
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  17. Intellijel Designs Atlx Expander for Atlantix
    Intellijel Designs Atlx Expander for Atlantix 6hp
    $59.00

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  18. XAOC Devices Gera Binary Product Commander
    XAOC Devices Gera Binary Product Commander 6hp
    $170.00

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  19. Tobinski Sequencer Expander
    Tobinski Sequencer Expander 12hp
    $249.99

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  20. Der Mann mit der Maschine X7
    Der Mann mit der Maschine X7 MIDI + USB Expander for Droid 4hp
    $239.99

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  21. Blukać Endless Processor Expander Kit
    Blukać Endless Processor Expander Kit 4hp
    As low as $159.00
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  22. Doepfer A-154 Sequencer Controller
    Doepfer A-154 Sequencer Controller 22hp
    As low as $239.99
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  23. CB Electronics ER Patch
    CB Electronics ER Patch Expander for ER Processor 14hp
    $449.99

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

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

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

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

    In Stock Available immediately!
  29. Boredbrain Music DB25 Expander for Xcelon
    Boredbrain Music DB25 Expander for Xcelon 8hp
    $369.00

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  30. Neuzeit Instruments WarpEx Expander for Warp
    Neuzeit Instruments WarpEx Expander for Warp 4hp
    $119.99

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  31. XOR NerdSEQ More Triggers 16 Expander
    XOR Electronics NerdSEQ More Triggers 16 Expander 8hp
    As low as $179.99
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  32. XAOC Devices Lipsk II
    XAOC Devices Lipsk II Drezno Expander 6hp
    $175.00

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  33. Sdkc Instruments Addition Expander for Helical
    Sdkc Instruments Addition Expander for Helical 4hp
    $109.99

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  34. Instruo Lubadh V2.0 Expansion
    Instruo Lubadh V2.0 Expansion 2hp
    $109.00

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  35. XAOC Devices Jena Binary Transfunctioner
    XAOC Devices Jena Binary Transfunctioner 8hp
    $280.00

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

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  37. Dannysound VU Meters for Dynamics
    Dannysound VU Meters for Dynamics
    $279.99

    In Stock Available immediately!
  38. NANO EXP4 Expander for Performance Mixer
    NANO Modules EXP4 Expander for Performance Mixer 4hp
    $129.99

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  39. Rossum Locutus
    Rossum Locutus MIDI Mediator Expander for Assimil8or 6hp
    As low as $229.00
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  40. Instruo Arbhar v2.0 Firmware Expansion Pack
    Instruo Arbhar v2.0 Firmware Expansion Pack 2hp
    $109.00

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  41. Instruo DivKid øchd Expander
    Instruo DivKid øchd Expander 4hp
    $109.00

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  42. XAOC Devices Poczdam Leibniz Device Komutator
    XAOC Devices Poczdam Leibniz Device Komutator 10hp
    $210.00

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

    In Stock Available immediately!
  44. After Later Audio Send VCA
    After Later Audio Send VCA Expander for Bartender + Barback 2hp
    $30.00

    In Stock Available immediately!
  45. 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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  46. Kaona Skippy Live Expander
    Kaona Skippy Live Expander 10hp
    $199.99

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  47. Winter Modular EME Eloquencer MIDI Expansion
    Winter Modular EME Eloquencer MIDI Expansion 6hp
    As low as $199.00
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1-48 of 195 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.