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Eurorack + Modular
Synthesizers + Keyboards
Pedals + Effects
Studio + Recording
Controllers + Sequencing
![Sequential Prophet 12 Hybrid Synthesizer Desktop Module [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Prophet_12_Module_U23-38891_01.webp "Sequential Prophet 12 Hybrid Synthesizer Desktop Module [USED]")
![Random Source Haible TAU Phaser [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/R/a/RandomSource_Haible_TAU_Phaser_U23-40130_01.webp "Random Source Haible TAU Phaser [USED]")
![WMD Fracture Granular Percussion Voice [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Fracture_Black_U23-39824_01.webp "WMD Fracture Granular Percussion Voice [USED]")
![Patching Panda BD-Z Kick Drum (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/a/PatchingPanda_BD-Z_Kick_Drum_U23-39943_01.webp "Patching Panda BD-Z Kick Drum (Black) [USED]")
![WMD Arpitecht Quantizer / Arpeggiator (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Arpitecht_U23-39528_01.webp "WMD Arpitecht Quantizer / Arpeggiator (Black) [USED]")
![Sequential Take 5 Polyphonic Analog Keyboard Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Take_5_Analog_Polysynth_U23-39343_01.webp "Sequential Take 5 Polyphonic Analog Keyboard Synthesizer [USED]")
![Sequential Prophet Rev2 8-Voice Analog Keyboard Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Prophet_Rev2_8-Voice_Keyboard_U23-39519_01.webp "Sequential Prophet Rev2 8-Voice Analog Keyboard Synthesizer [USED]")
![Polyend Play Sample-Based Groovebox [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Play_U23-39476_01.webp "Polyend Play Sample-Based Groovebox [USED]")
![WMD PM Mutes Expander [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_PM_Mutes_Expander_U23-38035_01_1.webp "WMD PM Mutes Expander [USED]")
![WMD Javelin ADSR Envelope Generator + VCA [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Javelin_ADSR_U23-38066_01_1.webp "WMD Javelin ADSR Envelope Generator + VCA [USED]")
![API 505-DI 500-Series Direct Input [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/P/API_505_DI_500-Series_DI_U23-39071_01_1.webp "API 505-DI 500-Series Direct Input [USED]")
![WMD Javelin ADSR Envelope Generator + VCA [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Javelin_ADSR_U23-37962_01.webp "WMD Javelin ADSR Envelope Generator + VCA [USED]")
![Patching Panda Etna Triple Analog Morphing Filter (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/a/PatchingPanda_Etna_Morphing_Filter_U23-39209_01.webp "Patching Panda Etna Triple Analog Morphing Filter (Black) [USED]")
![API 505-DI 500-Series Direct Input [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/P/API_505_DI_500-Series_DI_U23-39072_01.webp "API 505-DI 500-Series Direct Input [USED]")
![WMD PM Mutes Expander [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_PM_Mutes_Expander_U23-38038_01.webp "WMD PM Mutes Expander [USED]")
![WMD Aperture Variable Width Bandpass Filter [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Aperture_Variable_Width_Bandpass_Filter_U23-39255_01.webp "WMD Aperture Variable Width Bandpass Filter [USED]")
![Polyend Tracker Mini Portable Sampler Workstation [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Tracker_Mini_Portable_Workstation_U23-38477_01.webp "Polyend Tracker Mini Portable Sampler Workstation [USED]"){kind=tracking}
![Polyend Synth Polyphonic Desktop Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Synth_Multitimbral_Sound_Explorer_U23-38832_01.webp "Polyend Synth Polyphonic Desktop Synthesizer [USED]")
![Feedback Modules VCA100 Roland-Style VCA [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/F/e/FeedbackModules_VCA100_U23-39076_01.webp "Feedback Modules VCA100 Roland-Style VCA [USED]")
![API 505-DI Direct Input [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/P/API_505-DI_Direct_Input_U23-39428_01.webp "API 505-DI Direct Input [USED]")
![WMD Chimera Metallic Percussion Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Chimera_Metallic_Percussion_Synthesizer_Black_U23-39055_01.webp "WMD Chimera Metallic Percussion Synthesizer [USED]")
![WMD Crater Kick Drum Voice [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Crater_U23-39350_01.webp "WMD Crater Kick Drum Voice [USED]")
![Polyend Poly 2 MIDI to CV Converter [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Poly_2_U23-39062_01.webp "Polyend Poly 2 MIDI to CV Converter [USED]")
![WMD Soft Start Power Supply Delay [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Soft_Start_U23-38568_01.webp "WMD Soft Start Power Supply Delay [USED]")
![Random Source Wave Multipliers + Resonant Equalizer 4x4 (Serge 4U) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/R/a/RandomSource_Serge_Wave_Mulitpliers_VCM_U23-39186_01.webp "Random Source Wave Multipliers + Resonant Equalizer 4x4 (Serge 4U) [USED]")
![Random Source Divide and Compare 4x4 (Serge 4U) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/R/a/RandomSource_Serge_Divide_and_Compare_4U_U23-39163_01.webp "Random Source Divide and Compare 4x4 (Serge 4U) [USED]")
![Polyend Tracker Mini Portable Sampler Workstation [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Tracker_Mini_Portable_Workstation_U23-38720_01.webp "Polyend Tracker Mini Portable Sampler Workstation [USED]"){kind=tracking}
![WMD MSCL Stereo Compressor (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_MSCL_Black_U23-38607_01.webp "WMD MSCL Stereo Compressor (Black) [USED]")
![WMD uHC Micro Hadron Collider [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_uHC_Micro_Hadron_Collider_U23-38682_01.webp "WMD uHC Micro Hadron Collider [USED]")
![Sequential Prophet Rev2 8-Voice Analog Keyboard Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Prophet_Rev2_8-Voice_Keyboard_U23-37255_01_4.webp "Sequential Prophet Rev2 8-Voice Analog Keyboard Synthesizer [USED]")
![Polyend Step Modern Drum Machine Pedal [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Step_Modern_Drum_Machine_Pedal_U23-37192_01_3.webp "Polyend Step Modern Drum Machine Pedal [USED]")
![WMD MSCL Stereo Compressor (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_MSCL_Black_U23-37496_01.webp "WMD MSCL Stereo Compressor (Black) [USED]")
![WMD Geiger Counter Eurorack [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Geiger_Counter_Eurorack_U23-37495_01.webp "WMD Geiger Counter Eurorack [USED]")
![WMD Crater Kick Drum Voice [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Crater_U23-37801_01.webp "WMD Crater Kick Drum Voice [USED]")
![WMD Crater Kick Drum Voice [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Crater_U23-37706_01.webp "WMD Crater Kick Drum Voice [USED]")
![Polyend Poly 2 MIDI to CV Converter [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Poly_2_U23-37702_01.webp "Polyend Poly 2 MIDI to CV Converter [USED]")
![Polyend Poly 2 MIDI to CV Converter [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Poly_2_U23-37636_01.webp "Polyend Poly 2 MIDI to CV Converter [USED]")
![WMD Performance Mixer (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Performance_Mixer_Black_U23-37839_01.webp "WMD Performance Mixer (Black) [USED]")
![WMD Performance Mixer (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Performance_Mixer_Black_U23-37668_01.webp "WMD Performance Mixer (Black) [USED]")
![Patching Panda Moon Phase Stereo Multimode Filter (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/a/PatchingPanda_Moon_Phase_Black_U23-37804_01.webp "Patching Panda Moon Phase Stereo Multimode Filter (Black) [USED]")
![Polyend Medusa Paraphonic Hybrid Synthesizer (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Medusa_Black_U23-37261_01.webp "Polyend Medusa Paraphonic Hybrid Synthesizer (Black) [USED]")
![Sequential Prophet-5 Polyphonic Analog Synthesizer Desktop Module [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Prophet-5_Desktop_Module_U23-36708_01.webp "Sequential Prophet-5 Polyphonic Analog Synthesizer Desktop Module [USED]")
![WMD Triad Arpitecht Expansion [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Triad_Arpitecht_Expansion_U23-36326_01.webp "WMD Triad Arpitecht Expansion [USED]")
![Polyend Poly 2 MIDI to CV Converter [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Poly_2_U23-36426_01.webp "Polyend Poly 2 MIDI to CV Converter [USED]")
![Sequential Pro 3 Hybrid Keyboard Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Pro_3_U23-36120_01.webp "Sequential Pro 3 Hybrid Keyboard Synthesizer [USED]")
![WMD Performance Mixer (Silver) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/W/M/WMD_Performance_Mixer_Silver_U23-36229_01.webp "WMD Performance Mixer (Silver) [USED]")
![Patching Panda Particles Trigger Processor (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/a/PatchingPanda_Particles_Trig_Seq_U23-35587_01.webp "Patching Panda Particles Trigger Processor (Black) [USED]")
![Sequential Take 5 Polyphonic Analog Keyboard Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Take_5_Analog_Polysynth_U23-34996_01.webp "Sequential Take 5 Polyphonic Analog Keyboard Synthesizer [USED]")
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High quality used electronic music gear—100% guaranteed. If you're looking for a great deal on a lightly used synth, electronic instruments, or other music equipment, you're in the right place.
Our selection of used gear runs the gamut: rare Eurorack modules, boutique effects pedals, vintage synthesizers and drum machines, professional studio gear, and much more. All of our used and vintage gear is 100% guaranteed to be fully functional, so you can buy with confidence. Plus, we offer financing and the option for free shipping on most orders.
We're constantly updating our used inventory—so keep your eyes here to see the latest additions!
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