Eurorack + Modular Synths

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  1. Boredbrain Music IO Expander for Xcelon
    Boredbrain Music IO Expander for Xcelon 8hp
    • NEW
    $99.00

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

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  3. Boredbrain Music TRS Expander for Xcelon
    Boredbrain Music TRS Expander for Xcelon 8hp
    • NEW
    $259.00

    In Stock Available immediately!
  4. DPW Design P1 Pedal I/O
    DPW Design P1 Pedal I/O 4hp
    • NEW
    $129.00

    In Stock Available immediately!
  5. Expert Sleepers ES-9
    Expert Sleepers ES-9 Eurorack Audio + CV Interface 16hp
    $635.00

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  6. DivKid Output Bus Summing Mixer + Output Module
    DivKid Output Bus Summing Mixer + Output Module 8hp
    $219.99

    In Stock Available immediately!
  7. Boredbrain Music Monitr Stereo Output Module
    Boredbrain Music Monitr Stereo Output Module 10hp
    $269.00

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  8. Joranalogue Receive 2 External Input
    Joranalogue Receive 2 External Input 6hp
    $214.99

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  9. Intellijel Designs Stereo Line Out 1U Output
    Intellijel Designs Stereo Line Out 1U Output 8hp
    $69.00

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  10. Boredbrain Xport 6-Channel Line Output Module
    Boredbrain Music Xport 6-Channel Line Output Module 6hp
    $149.00

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  11. Befaco Output v3 module, front view
    Befaco Output v3 4hp
    $149.99

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  12. Intellijel Designs Outs Output Interface
    Intellijel Designs Outs Output Interface 6hp
    $149.00

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  13. Tiptop Audio Buchla 207t Mixer + Preamplifier
    Tiptop Audio Buchla 207t Mixer + Preamplifier 28hp
    $249.00

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  14. Befaco I4 Instrument Interface
    Befaco I4 Instrument Interface 8hp
    $239.99

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  15. ES-8 USB Audio Interface
    Expert Sleepers ES-8 USB Audio Interface 8hp
    $459.00

    In Stock Available immediately!
  16. Make Noise XOH Output Interface
    Make Noise XOH Output Interface 6hp
    $110.00

    In Stock Available immediately!
  17. ADDAC 200 PI Pedal Integrator Black
    ADDAC System ADDAC200PI Pedal Integrator 4hp
    $115.00

    In Stock Available immediately!
  18. Befaco 1U Out Line Output Module
    Befaco 1U Out Line Output Module 16hp
    $99.99

    In Stock Available immediately!
  19. Boredbrain Music Xchangr Stereo Send/Receive
    Boredbrain Music Xchangr Stereo Send/Receive 8hp
    $129.00

    In Stock Available immediately!
  20. Expert Sleepers Little Mikey Preamp
    Expert Sleepers Little Mikey Preamp 8hp
    $175.00

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  21. Joranalogue Transmit 2 Stereo Output
    Joranalogue Transmit 2 Stereo Output 6hp
    $219.99

    In Stock Available immediately!
  22. Sonicsmith E1 Duo Pack (Silver + Black)
    Sonicsmith E1 Duo Pack Audio Controlled Synthesizer (Silver + Black) 12hp
    $640.00

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  23. Intellijel Audio I/O
    Intellijel Designs Audio I/O 10hp
    $260.00

    In Stock Available immediately!
  24. Doepfer A-119
    Doepfer A-119 External Input / Envelope Follower 8hp
    As low as $86.00
    Multiple Options Make a selection for stock info
  25. ADDAC ADDAC800X High-End Audio Outputs
    ADDAC System ADDAC800X High-End Outputs 8hp
    $475.00

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  26. ES-3 MK4 Lightpipe to CV Interface
    Expert Sleepers ES-3 MK4 Lightpipe to CV Interface 8hp
    $209.00

    In Stock Available immediately!
  27. Intellijel Designs Stomp
    Intellijel Designs Stomp Effects Pedal Send + Return 8hp
    $199.00

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  28. Pico Input
    Erica Synths Pico Input 3hp
    $79.00

    In Stock Available immediately!
  29. Boredbrain Music Unifx Pedal Interface
    Boredbrain Music Unifx Pedal Interface 6hp
    $129.00

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  30. Bubblesound Booster Four-Channel Input
    Bubblesound Booster Four-Channel Input 2hp
    $75.00

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  31. Future Sound Systems TG5 Gristleizer Preamp
    Future Sound Systems TG5 Gristleizer Preamp 14hp
    $359.00

    In Stock Available immediately!
  32. ADDAC System ADDAC710 Balanced Outputs
    ADDAC System ADDAC710 Balanced Outputs 6hp
    $175.00

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  33. Instruo Làrachd
    Instruo Làrachd External Input + Envelope Follower 8hp
    $339.00

    In Stock Available immediately!
  34. Black Output Module V2
    Erica Synths Black Output Module V2 14hp
    $319.00

    In Stock Available immediately!
  35. ALM Busy Circuits HPO Headphone Output Eurorack Module
    ALM Busy Circuits HPO Headphone Output 2hp
    $79.99

    In Stock Available immediately!
  36. Pedal I/O 1U
    Intellijel Designs Pedal I/O 1U 16hp
    $99.00

    In Stock Available immediately!
  37. After Later Audio Cloverleaf 1U
    After Later Audio Cloverleaf 1U 14hp
    $89.00

    In Stock Available immediately!
  38. After Later Audio Auris
    After Later Audio Auris Contact Microphone + External Input 4hp
    $89.00

    In Stock Available immediately!
  39. Boredbrain Injectr Audio Input + Cab Simulator
    Boredbrain Music Injectr Audio Input + Cab Simulator 11hp
    $249.00

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  40. ADDAC System ADDAC711 Balanced Inputs
    ADDAC System ADDAC711 Balanced Inputs 6hp
    $249.00

    In Stock Available immediately!
  41. BASTL Ciao!! Quad Line Output
    BASTL Instruments Ciao!! Quad Line Output 5hp
    $224.00

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  42. A-139-2 Headphone Amplifier
    Doepfer A-139-2 Headphone Amplifier 6hp
    $68.00

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  43. Befaco 1U STAmp External Input Module
    Befaco 1U ST Amp External Input Module 10hp
    $99.99

    In Stock Available immediately!
  44. Eowave O Headphone + Line Output
    Eowave O Headphone + Line Output 2hp
    $99.99

    In Stock Available immediately!
  45. Intellijel Designs Line-In 1U Line Level Input
    Intellijel Designs Line-In 1U Line Level Input 10hp
    $39.00

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  46. L-1 XLR Balanced Stereo Output
    L-1 XLR Balanced Stereo Output 6hp
    $189.99

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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.