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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]")
![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]")
![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]")
![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]")
![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]")
![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]")
![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}
![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]")
![Source Audio True Spring Reverb Pedal (no Tap Switch) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/o/SourceAudio_True_Spring_Reverb_U23-37511_01.webp "Source Audio True Spring Reverb Pedal (no Tap Switch) [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]")
![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]")
![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]")
![Source Audio Nemesis Delay Pedal [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/o/SourceAudio_Nemesis_Delay_U23-36096_01.webp "Source Audio Nemesis Delay Pedal [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]")
![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]")
![XOR Electronics NerdSEQ MIDI I/O Expander (Blue) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/X/O/XORElectronics_NerdSEQ_MIDI_I_O_Expander_U23-35733_01.webp "XOR Electronics NerdSEQ MIDI I/O Expander (Blue) [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]")
![XOR Electronics NerdSeq I/O Expander (Grey + Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/X/O/XORElectronics_NerdSEQ_I_O_Expander_U23-22149_01.webp "XOR Electronics NerdSeq I/O Expander (Grey + Black) [USED]")
![XOR Electronics Multi-IO Expander for NerdSEQ (Black) [USED]](https://www.perfectcircuit.mom/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/X/O/XORElectronics_Multi-IO_Expander_for_NerdSEQ_Black_U23-21753_01.webp "XOR Electronics Multi-IO Expander for NerdSEQ (Black) [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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