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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]")
![Solid State Logic 611EQ E Series EQ - 500 Series [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/R/u/RupertNeveDesigns_551_500_Series_Inductor_EQ_U23-39761_01.webp "Solid State Logic 611EQ E Series EQ - 500 Series [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]")
![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]")
![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]")
![Error Instruments Sound Scaper Drone Voice [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/r/ErrorInstruments_Sound_Scraper_U23-39815_01.webp "Error Instruments Sound Scaper Drone Voice [USED]")
![Error Instruments Liquid Glitcher Glitch Oscillator [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/r/ErrorInstruments_Liquid_Glitcher_U23-39814_01.webp "Error Instruments Liquid Glitcher Glitch Oscillator [USED]")
![Error Instruments Broken Tape Simulator V3 [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/r/ErrorInstruments_Broken_Tape_Simulator_V3_U23-39817_01.webp "Error Instruments Broken Tape Simulator V3 [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]")
![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]")
![Focusrite Scarlett 2i4 Audio Interface [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/F/o/Focusrite_Scarlett_2i4_Audio_Interface_U23-39080_01.webp "Focusrite Scarlett 2i4 Audio Interface [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]")
![Solid State Logic SSL 2+ USB Audio Interface [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/o/SolidStateLogic_2__Audio_Interface_U23-38829_01.webp "Solid State Logic SSL 2+ USB Audio Interface [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]")
![Solid State Logic VHD Pre 500 Series Mic Preamp [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/o/SolidStateLogic_VHD_Mic_Pre_-_500_Series_U23-39302_01.webp "Solid State Logic VHD Pre 500 Series Mic Preamp [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]")
![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]")
![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]")
![Bear Modules Volty Quad Voltage Offset [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/e/BearModules_Volty_U23-39196_01.webp "Bear Modules Volty Quad Voltage Offset [USED]")
![Bear Modules Tilt EQ Equalizer - 1U [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/e/BearModules_Tilt_Eq_U23-39198_01.webp "Bear Modules Tilt EQ Equalizer - 1U [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]")
![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]")
![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]")
![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]")
![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]")
![Phase Phase Essential Controller [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/M/W/MWM_Phase_Essential_U23-35744_01.webp "Phase Phase Essential Controller [USED]")
![Error Instruments Passive Operator Desktop Drum Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/r/ErrorInstruments_Passive_Operator_Desktop_U23-36719_01.webp "Error Instruments Passive Operator Desktop Drum Synthesizer [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]")
![Error Instruments Spanky Experimental Drum Synthesizer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/r/ErrorInstruments_Spanky_U23-36405_01.webp "Error Instruments Spanky Experimental Drum Synthesizer [USED]")
![Focusrite Scarlett 18i20 4th Gen Audio Interface [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/F/o/Focusrite_Scarlett_18i20_4th_Gen_U23-36170_01.webp "Focusrite Scarlett 18i20 4th Gen Audio Interface [USED]")
![Solid State Logic SSL 2 USB Audio Interface [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/o/SolidStateLogic_SSL_2_U23-35826_01.webp "Solid State Logic SSL 2 USB Audio Interface [USED]")
![Focusrite RedNet R1 Desktop Remote Controller [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/F/o/Focusrite_Rednet_R1_U23-34973_01.webp "Focusrite RedNet R1 Desktop Remote Controller [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]")
![Focusrite Red 8Line Dante Audio Interface [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/F/o/Focusrite_Red_8Line_U23-34977_01.webp "Focusrite Red 8Line Dante Audio Interface [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]")
![DigiTech PDS1700 Digital Stereo Chorus / Flanger Pedal [VINTAGE]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/Digitech_PDS-_1700_U23-34485_01.webp "DigiTech PDS1700 Digital Stereo Chorus / Flanger Pedal [VINTAGE]")
![Bear Modules More Matrix Expander for Matrix Mixer [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/e/BearModules_More_Matrix_U23-35532_01.webp "Bear Modules More Matrix Expander for Matrix Mixer [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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