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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]")
![Korg R3 Keyboard Synthesizer + Vocoder [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_R3_U23-38813_01.webp "Korg R3 Keyboard Synthesizer + Vocoder [USED]")
![Eventide H9 MAX Harmonizer Multi-Effect Pedal [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/v/Eventide_H9_MAX_Harmonizer_Multi-FX_Pedal_U23-39758_01.webp "Eventide H9 MAX Harmonizer Multi-Effect Pedal [USED]")
![Ableton Push 3 Ableton Live Controller [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/b/Ableton_Push_3_Controller_Version_U23-40076_01.webp "Ableton Push 3 Ableton Live Controller [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]")
![Korg Prophecy Monophonic Analog Modeling Synthesizer [VINTAGE]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Prophecy_U23-38278_01.webp "Korg Prophecy Monophonic Analog Modeling Synthesizer [VINTAGE]")
![Ableton Push 2 Control Surface [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/b/Ableton_Push_2_Control_Surface_U23-38831_01.webp "Ableton Push 2 Control Surface [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]")
![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]")
![Korg Monotron Delay Analog Ribbon Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Monotron_Delay_Analog_Ribbon_Synthesizer_U23-38934_01.webp "Korg Monotron Delay Analog Ribbon Synthesizer [USED]")
![Korg MS2000R Virtual Analog Rackmount Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_MS2000R_Analog_Modeling_Synthesizer_U23-38820_01.webp "Korg MS2000R Virtual Analog Rackmount 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_U23-39072_01.webp "API 505-DI 500-Series Direct Input [USED]")
![Korg Volca Modular Analog Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Volca_Modular_U23-39392_01.webp "Korg Volca Modular Analog 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]")
![Eventide H9 MAX Harmonizer Multi-Effects Pedal w/ Barn Footswitch [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/v/Eventide_H9_MAX_Harmonizer_Multi-FX_Pedal_w_Barn_Footswitch_U23-39604_01.webp "Eventide H9 MAX Harmonizer Multi-Effects Pedal w/ Barn Footswitch [USED]")
![DigiTech VHM5 Vocalist Harmony Processor [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/DigiTech_VHM5_U23-38633_01.webp "DigiTech VHM5 Vocalist Harmony Processor [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]")
![Korg SQ-64 Polyphonic MIDI + CV Sequencer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_SQ-64_Polyphonic_Sequencer_U23-38665_01.webp "Korg SQ-64 Polyphonic MIDI + CV Sequencer [USED]")
![Korg Poly-800 Analog Keyboard Synthesizer [VINTAGE]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Poly-800_U23-36078_01.webp "Korg Poly-800 Analog Keyboard Synthesizer [VINTAGE]")
![Korg Poly-61 Analog Keyboard Synthesizer [VINTAGE]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Poly_61_U23-36633_01.webp "Korg Poly-61 Analog Keyboard Synthesizer [VINTAGE]")
![Korg MS2000BR Virtual Analog Rackmount Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_MS2000BR_U23-35853_01.webp "Korg MS2000BR Virtual Analog Rackmount Synthesizer [USED]")
![DigiTech Studio Vocalist Rackmount Vocal Harmony Processor [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/DigiTech_Studio_Vocalist_U23-39277_01.webp "DigiTech Studio Vocalist Rackmount Vocal Harmony Processor [USED]")
![Ableton Push 2 Control Surface [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/b/Ableton_Push_2_U23-39208_01.webp "Ableton Push 2 Control Surface [USED]")
![Eventide Blackhole Reverb Pedal [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/v/Eventide_Blackhole_Reverb_U23-39353_01.webp "Eventide Blackhole Reverb Pedal [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]")
![Korg drumlogue Analog + Digital Drum Machine [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_drumlogue_U23-38644_01.webp "Korg drumlogue Analog + Digital Drum Machine [USED]")
![Korg Volca Modular Analog Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Volca_Modular_U23-38974_01.webp "Korg Volca Modular Analog Synthesizer [USED]")
![Korg Electribe ESX-1 Sampler / Music Production Station [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Electribe_ESX-1_U23-20638_01.webp "Korg Electribe ESX-1 Sampler / Music Production Station [USED]")
![Eventide Space Reverb Pedal [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/v/Eventide_Space_Reverb_Effect_Pedal_U23-39086_01.webp "Eventide Space Reverb Pedal [USED]")
![DigiTech RDS 3.6 Digital Delay Rack Processor [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/DigiTech_RDS_36_Digital_Delay_U23-28033_01.webp "DigiTech RDS 3.6 Digital Delay Rack Processor [USED]")
![DigiTech HammerOn Pitch Shifter Pedal [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/DigiTech_HammerOn_Pitch_Shifter_U23-39002_01.webp "DigiTech HammerOn Pitch Shifter Pedal [USED]")
![Ableton Push 2 Control Surface [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/b/Ableton_Push_2_Control_Surface_U23-38795_01.webp "Ableton Push 2 Control Surface [USED]")
![DigiTech Vocalist Workstation EX Vocal Harmony Processor [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/DigiTech_Vocalist_Workstation_EX_U23-29436_01.webp "DigiTech Vocalist Workstation EX Vocal Harmony Processor [USED]")
![DigiTech Vocalist Performer Vocal Harmony Processor [VINTAGE]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/DigiTech_Vocalist_Performer_U23-37117_01.webp "DigiTech Vocalist Performer Vocal Harmony Processor [VINTAGE]")
![Korg MicroKEY-61 MIDI Keyboard Controller [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_microKEY-61_Keyboard_Controller_U23-38802_01.webp "Korg MicroKEY-61 MIDI Keyboard Controller [USED]")
![Korg SQ-64 Polyphonic MIDI + CV Sequencer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_SQ-64_Polyphonic_Sequencer_U23-37453_01_1.webp "Korg SQ-64 Polyphonic MIDI + CV Sequencer [USED]")
![Korg SQ-64 Polyphonic MIDI + CV Sequencer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_SQ-64_Polyphonic_Sequencer_U23-38512_01.webp "Korg SQ-64 Polyphonic MIDI + CV Sequencer [USED]")
![Korg SQ-64 Polyphonic MIDI + CV Sequencer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_SQ-64_Polyphonic_Sequencer_U23-38261_01.webp "Korg SQ-64 Polyphonic MIDI + CV Sequencer [USED]")
![Korg NTS-1 Digital Synthesizer / Effect Processor [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_NTS-1_U23-35742_01.webp "Korg NTS-1 Digital Synthesizer / Effect Processor [USED]")
![Eventide Space Reverb Pedal [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/v/Eventide_Space_Reverb_Effect_Pedal_U23-37603_01.webp "Eventide Space Reverb Pedal [USED]")
![Eventide PitchFactor Pitch Shifter + Harmonizer Pedal [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/v/Eventide_PitchFactor_Harmonizer_Multi-FX_U23-37604_01.webp "Eventide PitchFactor Pitch Shifter + Harmonizer Pedal [USED]")
![Eventide EuroDDL Delay [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/v/Eventide_EuroDDL_Delay_U23-35741_01.webp "Eventide EuroDDL Delay [USED]")
![DigiTech FS300 Triple Footswitch [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/DigiTech_FS300_U23-37271_01.webp "DigiTech FS300 Triple Footswitch [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]")
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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