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Eurorack + Modular Synths

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  1. Save $80 Expert Sleepers ES-9
    Expert Sleepers ES-9 Eurorack Audio + CV Interface 16hp
    • Sale
    $635.00 $555.00
    In Stock Available immediately!
  2. 4MS Catalyst Controller Fader CV Source
    4MS Catalyst Controller Fader CV Source 20hp
    • NEW
    $395.00

    In Stock Available immediately!
  3. Expert Sleepers Super Disting EX Plus Alpha
    Expert Sleepers Super Disting EX Plus Alpha 8hp
    $399.00

    In Stock Available immediately!
  4. ES-8 USB Audio Interface
    Expert Sleepers ES-8 USB Audio Interface 8hp
    $459.00

    In Stock Available immediately!
  5. Expert Sleepers FH-2, front view
    Expert Sleepers FH-2 Factotum USB MIDI Host + MIDI-CV 8hp
    $309.00

    In Stock Available immediately!
  6. 4MS Pod64X Desktop Case - 64HP (Powered)
    4MS Pod64X Desktop Case - 64HP (Powered)
    $195.00

    In Stock Available immediately!
  7. Disting MK4 Multifunction Module
    Expert Sleepers Disting MK4 Multifunction Module 4hp
    $195.00

    Backorder Reserve your order today!
  8. ES-3 MK4 Lightpipe to CV Interface
    Expert Sleepers ES-3 MK4 Lightpipe to CV Interface 8hp
    $209.00

    In Stock Available immediately!
  9. 4MS Catalyst Sequencer Fader Phase Sequencer
    4MS Catalyst Sequencer Fader Phase Sequencer 20hp
    • NEW
    $395.00

    In Stock Available immediately!
  10. 4ms WAVE Recorder module, front view
    4MS WAV Recorder 6hp
    $269.00

    In Stock Available immediately!
  11. Save $20 Expert Sleepers FHX-8CV FH-2 Factotum Expander
    Expert Sleepers FHX-8CV FH-2 Expander 4hp
    • Sale
    $145.00 $125.00
    In Stock Available immediately!
  12. 4MS Row Power 45 Eurorack Power Supply
    4MS Row Power 45 Eurorack Power Supply 4hp
    $165.00

    In Stock Available immediately!
  13. Expert Sleepers Otterley Multi-LFO
    Expert Sleepers Otterley Multi-LFO 8hp
    • NEW
    $199.00

    Preorder New release—reserve yours today!
  14. 4ms Ensemble Oscillator
    4MS Ensemble Oscillator 16hp
    As low as $299.00
    Multiple Options Make a selection for stock info
  15. 4MS Pod34X Desktop Case - 34HP (Powered)
    4MS Pod34X Desktop Case - 34HP (Powered)
    $135.00

    In Stock Available immediately!
  16. 4MS Pod48X Desktop Case - 48HP (Powered)
    4MS Pod48X Desktop Case - 48HP (Powered)
    $155.00

    In Stock Available immediately!
  17. Spherical Wavetable Navigator (SWN)
    4MS Spherical Wavetable Navigator (SWN) 26hp
    $599.00

    Backorder Reserve your order today!
  18. Expert Sleepers Little Mikey Preamp
    Expert Sleepers Little Mikey Preamp 8hp
    $175.00

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

    Backorder Reserve your order today!
  20. Stereo Triggered Sampler
    4MS Stereo Triggered Sampler 20hp
    $450.00

    Backorder Reserve your order today!
  21. 4ms QCD Quad Clock Distributor
    4MS Quad Clock Distributor 10hp
    $239.00

    In Stock Available immediately!
  22. Expert Sleepers Lorelei Oscillator
    Expert Sleepers Lorelei Analog Oscillator 8hp
    $189.00

    Backorder Reserve your order today!
  23. Expert Sleepers Tiny MIDI Breakout Expander
    Expert Sleepers Tiny MIDI Breakout Expander 2hp
    $55.00

    Backorder Reserve your order today!
  24. ES-6 mk3 CV to Lightpipe Interface
    Expert Sleepers ES-6 mk3 CV to Lightpipe Interface 4hp
    $160.00

    Backorder Reserve your order today!
  25. 4MS DLD Dual Looping Delay
    4MS DLD Dual Looping Delay 20hp
    As low as $415.00
    Multiple Options Make a selection for stock info
  26. 12% off Expert Sleepers MIDI Breakout Expander
    Expert Sleepers MIDI Breakout Expander 4hp
    • Sale
    $50.00 $43.75
    In Stock Available immediately!
  27. Expert Sleepers Pandora
    Expert Sleepers Pandora Analog Bandpass Filter + Distortion 8hp
    $199.00

    In Stock Available immediately!
  28. 4ms Pod 20hp Powered Desktop Eurorack Case
    4MS Pod20 Desktop Case - 20HP (Powered)
    $99.00

    In Stock Available immediately!
  29. Save $30 Expert Sleepers CVM-8
    Expert Sleepers CVM-8 CV to MIDI + I2C Converter 4hp
    • Sale
    $225.00 $195.00
    In Stock Available immediately!
  30. 4MS Sampler
    4MS Sampler Eurorack Sample Player + Recorder 16hp
    $299.00

    In Stock Available immediately!
  31. ESX-8CV Mk2 Expansion
    Expert Sleepers ESX-8CV Mk2 Expansion 4hp
    $175.00

    In Stock Available immediately!
  32. 4MS Pod40X Desktop Case - 40HP (Powered)
    4MS Pod40X Desktop Case - 40HP (Powered)
    $145.00

    Backorder Reserve your order today!
  33. 4MS Power Brick - for Pod Series Cases
    4MS Power Brick - for Pod Series Cases
    $15.00

    In Stock Available immediately!
  34. 4ms Pod 26hp Powered Desktop Eurorack Case
    4MS Pod26 Desktop Case - 26HP (Powered)
    $109.00

    In Stock Available immediately!
  35. Expert Sleepers FHX-8GT Gate Expander for FH-2 Factotum
    Expert Sleepers FHX-8GT Gate Expander for FH-2 4hp
    $99.00

    In Stock Available immediately!
  36. Spectral Multiband Resonator
    4MS Spectral Multiband Resonator 26hp
    $475.00

    In Stock Available immediately!
  37. 4ms QCD Quad Clock Distributor Expander
    4MS Quad Clock Distributor Expander 12hp
    $199.00

    In Stock Available immediately!
  38. 4MS Pingable Envelope Generator
    4MS Pingable Envelope Generator 20hp
    $345.00

    Backorder Reserve your order today!
  39. Expert Sleepers Persephone Analog JFET VCA
    Expert Sleepers Persephone Analog JFET VCA 8hp
    $189.00

    In Stock Available immediately!
  40. 4MS Listen Four Quarters Mixer / Output
    4MS Listen Four Quarters Mixer / Output 12hp
    $209.00

    In Stock Available immediately!
  41. Rotating Clock Divider
    4MS Rotating Clock Divider 4hp
    $179.00

    Backorder Reserve your order today!
  42. 4ms Pod 32hp Powered Eurorack Case
    4MS Pod32 Desktop Case - 32HP (Powered)
    $119.00

    In Stock Available immediately!
  43. Expert Sleepers ES-7 mk2
    Expert Sleepers ES-7 CV Input Expander 4hp
    $99.00

    Backorder Reserve your order today!
  44. 4MS Multi Eurorack Power Cable - 10-pin
    4MS Multi Eurorack Power Cable - 10-pin
    $6.00

    In Stock Available immediately!
  45. Expert Sleepers ESX-8GT mk3 Gate Expansion front view
    Expert Sleepers ESX-8GT mk3 Gate Expansion 4hp
    $75.00

    Backorder Reserve your order today!
  46. 4ms Pod 60hp Desktop Eurorack Case Powered
    4MS Pod60 Desktop Case - 60HP (Powered)
    $175.00

    In Stock Available immediately!
  47. Bus Stick Eurorack Power Board (Keyed Headers)
    4MS Bus Stick Eurorack Power Board (Keyed Headers)
    $40.00

    In Stock Available immediately!

1-48 of 109 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.