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Eurorack + Modular
Synthesizers + Keyboards
Pedals + Effects
Studio + Recording
Controllers + Sequencing
![4MS Quad Clock Distributor [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Quad_Clock_Distributor_U23-38078_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_U23-37806_01.webp "4MS Quad Clock Distributor [USED]")
![4MS Pingable Envelope Generator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Pingable_Envelope_Generator_U23-37842_01.webp "4MS Pingable Envelope Generator [USED]")
![4MS Stereo Triggered Sampler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Stereo_Triggered_Sampler_U23-37289_01.webp "4MS Stereo Triggered Sampler [USED]")
![4MS Listen IO Input / Output Amplifier [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_IO_U23-37107_01.webp "4MS Listen IO Input / Output Amplifier [USED]")
12hp Sale
USED
![4MS Listen Four Quarters Mixer / Output [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_Four_Quarters_U23-37460_01.webp "4MS Listen Four Quarters Mixer / Output [USED]")
Special Price
$162.00
Regular Price
$179.00
In stock
12hp Sale
USED
![4MS Listen Four Quarters Mixer / Output [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_Four_Quarters_U23-37237_01.webp "4MS Listen Four Quarters Mixer / Output [USED]")
Special Price
$162.00
Regular Price
$179.00
In stock
![4MS Row Power 30 Eurorack Power [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Row_Power_40_Eurorack_Power_U23-36796_01.webp "4MS Row Power 30 Eurorack Power [USED]")
![4MS Row Power 40 Eurorack Power [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Row_Power_40_Eurorack_Power_U23-36797_01.webp "4MS Row Power 40 Eurorack Power [USED]")
![4MS Listen IO Input / Output Amplifier [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_IO_U23-36903_01.webp "4MS Listen IO Input / Output Amplifier [USED]")
![4MS Ensemble Oscillator Additive Sound Source [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Ensemble_Oscillator_White_U23-36760_01.webp "4MS Ensemble Oscillator Additive Sound Source [USED]")
12hp 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 "4MS Quad Pingable LFO [USED]")
$169.00
In stock
12hp Sale
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]")
Special Price
$162.00
Regular Price
$179.00
In stock
12hp Sale
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 "4MS Listen Four Quarters Mixer / Output [USED]")
Special Price
$162.00
Regular Price
$179.00
In stock
![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 Stereo Triggered Sampler [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 Rotating Clock Divider [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 Quad Clock Distributor [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 Buffered Mult Multiple [USED]")
12hp Sale
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]")
Special Price
$162.00
Regular Price
$179.00
In stock
12hp Sale
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 Listen Four Quarters Mixer / Output [USED]")
Special Price
$162.00
Regular Price
$179.00
In stock
20hp Sale
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]")
Special Price
$306.00
Regular Price
$339.00
In stock
20hp Sale
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 "4MS Catalyst Sequencer Fader Phase Sequencer [USED]")
Special Price
$306.00
Regular Price
$339.00
In stock
26hp Sale
USED
Special Price
$382.00
Regular Price
$509.00
In stock
26hp Sale
USED
Special Price
$382.00
Regular Price
$509.00
In stock
26hp Sale
USED
Special Price
$382.00
Regular Price
$509.00
In stock
16hp Sale
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 Sampler Eurorack Sample Player + Recorder [USED]")
Special Price
$200.00
Regular Price
$249.00
In stock
26hp Sale
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 Spherical Wavetable Navigator (SWN) [USED]")
Special Price
$382.00
Regular Price
$509.00
In stock
8hp Sale
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 Mini PEG Pingable Envelope Generator [USED]")
Special Price
$105.00
Regular Price
$139.00
In stock
12hp Sale
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 "4MS Quad Clock Distributor Expander [USED]")
Special Price
$90.00
Regular Price
$149.00
In stock
12hp Sale
USED
Special Price
$187.00
Regular Price
$219.00
In stock
18hp Sale
USED
Special Price
$408.00
Regular Price
$479.00
In stock
26hp Sale
USED
Special Price
$348.00
Regular Price
$579.00
In stock
![ACL Variable Sync VCO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/C/ACL_Variable_Sync_VCO_U23-32250_01_1.webp "ACL Variable Sync VCO [USED]")
![ACL Variable Sync VCO [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/C/ACL_Variable_Sync_VCO_U23-30612_01.webp "ACL Variable Sync VCO [USED]")
![ACL VC Dual Amp VCA [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/C/ACL_VC_Dual_Amp_U23-29881_01.webp "ACL VC Dual Amp VCA [USED]")
26hp Sale
USED
![ACL Dual State Variable VCF Filter [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/C/ACL_Dual_State_Variable_VCF_U23-29352_01.webp "ACL Dual State Variable VCF Filter [USED]")
Special Price
$348.00
Regular Price
$579.00
In stock
14hp Sale
USED
![ACL VC Panning Amplifier VCA + Panner [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/A/C/ACL_VC_Panning_VCA_U23-27936_01.webp "ACL VC Panning Amplifier VCA + Panner [USED]")
Special Price
$170.00
Regular Price
$339.00
In stock
![EMB Pro PA2400 1200W Power Amplifier [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/M/EMB_Pro_PA2400_1200W_U23-35709_01.webp "EMB Pro PA2400 1200W Power Amplifier [USED]")
![Eventide H90 Harmonizer Multi-Effects Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/v/Eventide_H90_Harmonizer_U23-36806_01.webp "Eventide H90 Harmonizer Multi-Effects Pedal [USED]")
![Eventide H910 Harmonizer [VINTAGE]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/v/Eventide_H910_U23-36262_01.webp "Eventide H910 Harmonizer [VINTAGE]")
![Eventide Blackhole Reverb Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/E/v/Eventide_Blackhole_Reverb_U23-36675_01.webp "Eventide Blackhole Reverb Pedal [USED]")
![Random Source Haible Living VCOs [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/R/a/RandomSource_Haible_Living_VCOs_U23-36235_01.webp "Random Source Haible Living VCOs [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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