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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]")
![Expressive E Touché MIDI + CV Touch Controller [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/x/ExpressiveE_Touche_Touch_Controller_U23-39945_01.webp "Expressive E Touché MIDI + CV Touch Controller [USED]")
![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]")
![Korg drumlogue Analog + Digital Drum Machine [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_drumlogue_U23-39646_01.webp "Korg drumlogue Analog + Digital Drum Machine [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]")
![NANO Modules OCTA 4-Channel Drum Voice [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/N/A/NANOModules_OCTA_4_Channel_Drum_Voice_U23-39575_01.webp "NANO Modules OCTA 4-Channel Drum Voice [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]")
![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]")
![NANO Modules ONA Analog Oscillator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/N/A/NANOModules_ONA_Analog_Oscillator_U23-39068_01.webp "NANO Modules ONA Analog Oscillator [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]")
![NANO Modules QUART Quad AD Envelope Generator + LFO [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/N/A/NANOModules_QUART_Quad_AD___LFO_U23-38976_01.webp "NANO Modules QUART Quad AD Envelope Generator + LFO [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]")
![Expressive E Osmose 61 Keyboard Synthesizer + MPE MIDI Controller [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/x/ExpressiveE_Osmose_61_U23-39264_01.webp "Expressive E Osmose 61 Keyboard Synthesizer + MPE MIDI Controller [USED]")
![NANO Modules ARC Function Generator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/N/A/NANOModules_ARC_Function_Generator_U23-38463_01.webp "NANO Modules ARC Function Generator [USED]")
![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]")
![Expressive E Osmose 61 Keyboard Synthesizer + MPE MIDI Controller [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/x/ExpressiveE_Osmose_61_U23-38149_01.webp "Expressive E Osmose 61 Keyboard Synthesizer + MPE MIDI 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]")
![NANO Modules FONT Multimode Filter [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/N/A/NANOModules_FONT_Filter_U23-38375_01_7.webp "NANO Modules FONT Multimode Filter [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]")
![NANO Modules OCTA 4-Channel Drum Voice [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/N/A/NANOModules_OCTA_4_Channel_Drum_Voice_U23-38373_01.webp "NANO Modules OCTA 4-Channel Drum Voice [USED]")
![NANO Modules ARC Function Generator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/N/A/NANOModules_ARC_Function_Generator_U23-38372_01.webp "NANO Modules ARC Function Generator [USED]")
![Korg LittleBits 12-Piece Synth Kit [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Littebits_Synth_Kit_U23-37259_01.webp "Korg LittleBits 12-Piece Synth Kit [USED]")
![Korg Keystage 61 Poly AT MIDI 2.0 Keyboard Controller [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Keystage_61_MIDI_Keyboard_U23-37442_01.webp "Korg Keystage 61 Poly AT MIDI 2.0 Keyboard Controller [USED]")
![Korg Kaossilator Pro+ Dynamic Phrase Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Kaossilator_Pro__U23-36815_01.webp "Korg Kaossilator Pro+ Dynamic Phrase Synthesizer [USED]")
![Korg D3200 Digital Recording Studio [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_D3200_Digital_Recording_Studio_U23-36793_01.webp "Korg D3200 Digital Recording Studio [USED]")
![Korg Volca Modular Analog Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Volca_Modular_U23-36546_01.webp "Korg Volca Modular Analog Synthesizer [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]")
![NANO Modules QUART Quad AD Envelope Generator + LFO [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/N/A/NANOModules_QUART_Quad_AD___LFO_U23-36727_01.webp "NANO Modules QUART Quad AD Envelope Generator + LFO [USED]")
![Korg Poly-61M Analog Keyboard Synthesizer [VINTAGE]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_Poly-61M_U23-35550_01.webp "Korg Poly-61M Analog Keyboard Synthesizer [VINTAGE]")
![Korg PSS-50 Super Section Rhythm Programmer [VINTAGE]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_PSS-50_Super_Section_U23-36089_01.webp "Korg PSS-50 Super Section Rhythm Programmer [VINTAGE]")
![Korg DSS-1 Sampling Keyboard Synthesizer [VINTAGE]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/K/o/Korg_DSS-1_61_key_digital_sampling_synthesizer_U23-36471_01.webp "Korg DSS-1 Sampling Keyboard Synthesizer [VINTAGE]")
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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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