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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]")
![Moog Matriarch Semi-Modular Analog Keyboard Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Matriarch_U23-38097_01.webp "Moog Matriarch Semi-Modular Analog Keyboard Synthesizer [USED]")
![ASM Hydrasynth Keyboard Digital Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/S/ASM_Hydrasynth_Keyboard_U23-38941_01.webp "ASM Hydrasynth Keyboard Digital Synthesizer [USED]")
![ASM Hydrasynth Desktop Digital Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/S/ASM_Hydrasynth_Desktop_U23-38833_01.webp "ASM Hydrasynth Desktop Digital Synthesizer [USED]")
![Sequential Circuits Six-Trak Analog Synthesizer (Cosmetic Damage to Keys) [VINTAGE]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/SequentialCircuits_Six-Trak_U23-36787_01.webp "Sequential Circuits Six-Trak Analog Synthesizer (Cosmetic Damage to Keys) [VINTAGE]")
![Moog Sirin Analog Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Sirin_U23-40094_01.webp "Moog Sirin Analog Synthesizer [USED]")
![Moog Mother-32 Semi-Modular Analog Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Mother-32_U23-38631_01_1.webp "Moog Mother-32 Semi-Modular Analog Synthesizer [USED]")
![Catalinbread Pareidolia Harmonic Tremolo Pedal [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/C/a/Catalinbread_Pareidolia_U23-38751_01.webp "Catalinbread Pareidolia Harmonic Tremolo Pedal [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]")
![Moog VX-351 Voyager CV Expander [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_VX-351_Voyager_CV_Expander_U23-39459_01.webp "Moog VX-351 Voyager CV Expander [USED]")
![Moog Mother-32 Semi-Modular Analog Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Mother-32_U23-39083_01.webp "Moog Mother-32 Semi-Modular Analog Synthesizer [USED]")
![Moog Minimoog Voyager Analog Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Moog_Minimoog_Voyager_U23-39457_01.webp "Moog Minimoog Voyager Analog Synthesizer [USED]")
![ASM Hydrasynth Desktop Digital Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/S/ASM_Hydrasynth_Desktop_U23-39623_01.webp "ASM Hydrasynth Desktop Digital Synthesizer [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]")
![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]")
![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]")
![Moog Subharmonicon Semi-Modular Analog Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Subharmonicon_U23-39391_01.webp "Moog Subharmonicon Semi-Modular Analog Synthesizer [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]")
![Moog Minitaur Analog Bass Synthesizer Desktop Module [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Minitaur_Analog_Bass_Synthesizer_U23-38827_01.webp "Moog Minitaur Analog Bass Synthesizer Desktop Module [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]")
![ASM Hydrasynth Keyboard Digital Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/S/ASM_Hydrasynth_Keyboard_U23-39215_01.webp "ASM Hydrasynth Keyboard Digital Synthesizer [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}
![ASM Hydrasynth Keyboard Digital Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/S/ASM_Hydrasynth_Keyboard_U23-38836_01.webp "ASM Hydrasynth Keyboard Digital Synthesizer [USED]")
![Moog Werkstatt 01 + CV Expander Analog Semi-Modular Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Werkstatt_01_Analog_Synthesizer_Kit_U23-38441_01.webp "Moog Werkstatt 01 + CV Expander Analog Semi-Modular Synthesizer [USED]")
![Moog Moogerfooger MF-107 FreqBox [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_MF-107_FreqBox_U23-37361_01.webp "Moog Moogerfooger MF-107 FreqBox [USED]")
![Moog Moogerfooger MF-107 FreqBox [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Moogerfooger_MF-107_Freq_Box_U23-38214_01.webp "Moog Moogerfooger MF-107 FreqBox [USED]")
![Moog Moogerfooger MF-102 Ring Modulator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Moogerfooger_MF-102_Ring_Modulator_U23-38213_01.webp "Moog Moogerfooger MF-102 Ring Modulator [USED]")
![Moog DFAM Semi-Modular Analog Drum Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_DFAM_Drummer_from_Another_Mother_U23-37081_01_48.webp "Moog DFAM Semi-Modular Analog Drum Synthesizer [USED]")
![Moog 3-Tier Rack Kit for Semi-Modulars + Eurorack Cases [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_3-Tier_Rack_U23-37083_01_7.webp "Moog 3-Tier Rack Kit for Semi-Modulars + Eurorack Cases [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]")
![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]")
![Moog Mavis Semi-Modular Analog Synthesizer (Module Only) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Mavis_module_only_U23-37850_01.webp "Moog Mavis Semi-Modular Analog Synthesizer (Module Only) [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]")
![Moog Subharmonicon (Eurorack Module Only) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Subharmonicon_Module_only_U23-37821_01.webp "Moog Subharmonicon (Eurorack Module Only) [USED]")
![Moog Mavis Semi-Modular Analog Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Mavis_U23-37139_01.webp "Moog Mavis Semi-Modular Analog Synthesizer [USED]")
![Moog Moogerfooger MF-107 FreqBox [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Moogerfooger_MF-107_FreqBox_U23-36913_01.webp "Moog Moogerfooger MF-107 FreqBox [USED]")
![Sequential Circuits Six-Trak Analog Polyphonic Keyboard Synthesizer [VINTAGE]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/SequentialCircuits_Six-Trak_U23-35982_01.webp "Sequential Circuits Six-Trak Analog Polyphonic Keyboard Synthesizer [VINTAGE]")
![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]")
![Moog Muse Polyphonic Analog Keyboard Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/o/Moog_Muse_8-voice_Polyphonic_Synthesizer_U23-36777_01.webp "Moog Muse Polyphonic Analog Keyboard Synthesizer [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]")
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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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