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!

![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)
![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)
![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)
![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)







![underscores two_point_one_colorizer Analog Video Effect (Eurorack) [USED] underscores two_point_one_colorizer Analog Video Effect (Eurorack) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/u/n/underscores_two_point_one__colorizer_Eurorack_U23-33265_01.webp)
![4MS Sampler Eurorack Sample Player + Recorder [USED] 4MS Sampler Eurorack Sample Player + Recorder [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Sampler_U23-33238_01.webp)
![4MS Row Power 30 Eurorack Power [USED] 4MS Row Power 30 Eurorack Power [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Row_Power_30_Eurorack_Power_U23-33483_01.webp)
![4MS Spherical Wavetable Navigator (SWN) [USED] 4MS Spherical Wavetable Navigator (SWN) [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Spherical_Wavetable_Navigator_U23-32360_01.webp)
![4MS Mini PEG Pingable Envelope Generator [USED] 4MS Mini PEG Pingable Envelope Generator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Mini_PEG_U23-32487_01.webp)
![4MS Quad Clock Distributor Expander [USED] 4MS Quad Clock Distributor Expander [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_QCD_Expander_U23-27677_01.webp)
![4MS Quad Clock Distributor Expander [USED] 4MS Quad Clock Distributor Expander [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_QCD_Expander_U23-23784_01.webp)
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