Eurorack + Modular
Synthesizers + Keyboards
Pedals + Effects
Studio + Recording
Controllers + Sequencing
![4MS Quad Pingable LFO [USED] 4MS Quad Pingable LFO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Quad_Pingable_LFO_U23-29860_01.webp)
In stock
![4MS VCA Matrix [USED] 4MS VCA Matrix [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_VCA_Matrix_Grayscale_panel_U23-36211_01.webp)
In stock
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!

![Polyend Poly 2 MIDI to CV Converter [USED] Polyend Poly 2 MIDI to CV Converter [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Poly_2_U23-36426_01.webp)
![4MS Pod26 Desktop Eurorack Case - 3U / 26HP (Powered) [USED] 4MS Pod26 Desktop Eurorack Case - 3U / 26HP (Powered) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Pod_-_26HP_Powered_U23-36704_01.webp)
![4MS Listen Four Quarters Mixer / Output [USED] 4MS Listen Four Quarters Mixer / Output [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_Four_Quarters_U23-36663_01.webp)
![4MS Listen Four Quarters Mixer / Output [USED] 4MS Listen Four Quarters Mixer / Output [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_Four_Quarters_U23-36664_01.webp)
![Sequential Pro 3 Hybrid Keyboard Synthesizer [USED] Sequential Pro 3 Hybrid Keyboard Synthesizer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Pro_3_U23-36120_01.webp)
![Polyend Tracker Sampler Workstation [USED] Polyend Tracker Sampler Workstation [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Tracker_U23-36141_01.webp)
![Polyend Mess Multi-Effect Step Sequencer [USED] Polyend Mess Multi-Effect Step Sequencer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Mess_Multi-Effect_Step_Sequencer_U23-36288_01.webp)
![4MS Stereo Triggered Sampler [USED] 4MS Stereo Triggered Sampler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Stereo_Triggered_Sampler_U23-36237_01.webp)
![4MS Rotating Clock Divider [USED] 4MS Rotating Clock Divider [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Rotating_Clock_Divider_Grayscale_panel_U23-36222_01.webp)
![4MS Quad Clock Distributor [USED] 4MS Quad Clock Distributor [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Quad_Clock_Distributor_U23-36034_01.webp)
![4MS Buffered Mult Multiple [USED] 4MS Buffered Mult Multiple [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Buffered_Mult_Multiple_U23-36046_01.webp)
![4MS Listen Four Quarters Mixer / Output [USED] 4MS Listen Four Quarters Mixer / Output [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_Four_Quarters_U23-35933_01.webp)
![4MS Listen Four Quarters Mixer / Output [USED] 4MS Listen Four Quarters Mixer / Output [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_Four_Quarters_U23-35866_01.webp)
![Plan B Model 36 Leveler [USED] Plan B Model 36 Leveler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_36_Leveler_U23-35610_01_7.webp)
![Plan B Model 36 Leveler [USED] Plan B Model 36 Leveler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_36_Leveler_U23-35611_01_6.webp)
![Plan B Model 36 Leveler [USED] Plan B Model 36 Leveler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_36_Leveler_U23-35612_01_5.webp)
![Plan B Model 36 Leveler [USED] Plan B Model 36 Leveler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_36_Leveler_U23-35613_01_4.webp)
![Plan B Model 9 Mixer / Attenuator [USED] Plan B Model 9 Mixer / Attenuator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_9_Mixer_Attenuator_U23-35604_01_3.webp)
![Plan B Model 36 Leveler [USED] Plan B Model 36 Leveler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_36_Leveler_U23-35614_01_3.webp)
![Plan B Model 9 Mixer / Attenuator [USED] Plan B Model 9 Mixer / Attenuator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_9_Mixer_Attenuator_U23-35605_01_2.webp)
![Plan B Model 36 Leveler [USED] Plan B Model 36 Leveler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_36_Leveler_U23-35615_01_2.webp)
![Plan B Model 9 Mixer / Attenuator [USED] Plan B Model 9 Mixer / Attenuator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_9_Mixer_Attenuator_U23-35606_01_1.webp)
![Plan B Model 36 Leveler [USED] Plan B Model 36 Leveler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_36_Leveler_U23-35616_01_1.webp)
![Plan B Model 29 Dynamic Mult [USED] Plan B Model 29 Dynamic Mult [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_29_Dynamic_Mult_U23-35608_01_1.webp)
![Polyend Synth Polyphonic Desktop Synthesizer [USED] Polyend Synth Polyphonic Desktop Synthesizer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/o/Polyend_Synth_Multitimbral_Sound_Explorer_U23-35437_01.webp)
![Plan B Model 9 Mixer / Attenuator [USED] Plan B Model 9 Mixer / Attenuator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_9_Mixer_Attenuator_U23-35607_01.webp)
![Plan B Model 37 ELF LFO [USED] Plan B Model 37 ELF LFO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_37_ELF_LFO_U23-35603_01.webp)
![Plan B Model 36 Leveler [USED] Plan B Model 36 Leveler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_36_Leveler_U23-35617_01.webp)
![Plan B Model 29 Dynamic Mult [USED] Plan B Model 29 Dynamic Mult [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_29_Dynamic_Mult_U23-35609_01.webp)
![Plan B Model 11 Twin Bandpass Filter [USED] Plan B Model 11 Twin Bandpass Filter [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_11_Evil_Twin_Bandpass_Filter_U23-35600_01.webp)
![Plan B Model 10 Polyphonic Envelope [USED] Plan B Model 10 Polyphonic Envelope [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/P/l/PlanB_Model_10_Polyphonic_Envelope_U23-35602_01.webp)
![DigiTech Bass Synth Wah Bass Envelope Filter Pedal [USED] DigiTech Bass Synth Wah Bass Envelope Filter Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/DigiTech_X-Series_Bass_Synth_Wah_Pedal_U23-35488_01.webp)
![DigiTech Vocal 300 Vocal Effects Pedal [USED] DigiTech Vocal 300 Vocal Effects Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/DigiTech_Vocal_300_U23-35178_01.webp)
![4MS Buffered Mult Multiple [USED] 4MS Buffered Mult Multiple [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Buffered_Mult_Multiple_U23-35730_01.webp)
![Sequential Take 5 Polyphonic Analog Keyboard Synthesizer [USED] Sequential Take 5 Polyphonic Analog Keyboard Synthesizer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/S/e/Sequential_Take_5_Analog_Polysynth_U23-34996_01.webp)
![DigiTech PDS1700 Digital Stereo Chorus / Flanger Pedal [VINTAGE] DigiTech PDS1700 Digital Stereo Chorus / Flanger Pedal [VINTAGE]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/D/i/Digitech_PDS-_1700_U23-34485_01.webp)
![4MS Catalyst Sequencer Fader Phase Sequencer [USED] 4MS Catalyst Sequencer Fader Phase Sequencer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Catalyst_Sequencer_U23-35273_01.webp)
![4MS Catalyst Sequencer Fader Phase Sequencer [USED] 4MS Catalyst Sequencer Fader Phase Sequencer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Catalyst_Sequencer_U23-35274_01.webp)








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