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Eurorack + Modular
Synthesizers + Keyboards
Pedals + Effects
Studio + Recording
Controllers + Sequencing
![4MS Listen Four Mixer / Output [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_Four_U23-35893_01.webp "4MS Listen Four 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 Listen Four Quarters Mixer / Output [USED]")
![Boss SY-200 Guitar Synthesizer Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_SY-200_Guitar_Synthesizer_U23-35713_01.webp "Boss SY-200 Guitar Synthesizer Pedal [USED]")
![Boss RC-2 Loop Station Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_RC-2_Loop_Station_U23-35714_01.webp "Boss RC-2 Loop Station Pedal [USED]")
![Boss DS-1W Waza Craft Distortion Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_DS-1W_Distortion_Waza_Craft_U23-35466_01.webp "Boss DS-1W Waza Craft Distortion Pedal [USED]")
![4MS Listen IO Input / Output Amplifier [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Listen_IO_U23-35572_01.webp "4MS Listen IO Input / Output Amplifier [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 "4MS Buffered Mult Multiple [USED]")
![Boss DM-101 Delay Machine Analog Delay Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_DM-101_Delay_Machine_Pedal_U23-35494_01.webp "Boss DM-101 Delay Machine Analog Delay Pedal [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 "4MS Catalyst Sequencer Fader Phase Sequencer [USED]")
![4MS Stereo Triggered Sampler [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Stereo_Triggered_Sampler_U23-33812_01.webp "4MS Stereo Triggered Sampler [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 "underscores two_point_one_colorizer Analog Video Effect (Eurorack) [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]")
![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 Row Power 30 Eurorack Power [USED]")
![Boss CH-1 Stereo Super Chorus Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_CH-1_Stereo_Super_Chorus_Pedal_U23-32929_01.webp "Boss CH-1 Stereo Super Chorus Pedal [USED]")
![Boss CE-5 Stereo Chorus Ensemble Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_CE-5_Stereo_Chorus_Ensemble_U23-32930_01.webp "Boss CE-5 Stereo Chorus Ensemble Pedal [USED]")
![Floating Knobs Cuisine Sequencer [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/F/l/FloatingKnobs_Cuisine_Sequencer_U23-32510_01.webp "Floating Knobs Cuisine Sequencer [USED]")
![Two Notes Audio Engineering Torpedo Captor X Premium Reactive Load Box + Cab Simulator [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/T/w/TwoNotesAudio_Torpedo_Captor_X_U23-31574_01.webp "Two Notes Audio Engineering Torpedo Captor X Premium Reactive Load Box + Cab Simulator [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]")
![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]")
![Boss RRV-10 Digital Reverb [VINTAGE]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_RRV-10_Digital_Reverb_U23-31154_01.webp "Boss RRV-10 Digital Reverb [VINTAGE]")
![Boss AB-2 2-Way Signal Selector Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_AB-2_2_Way_Selector_U23-30776_01.webp "Boss AB-2 2-Way Signal Selector Pedal [USED]")
![Boss SY-1000 Guitar Synthesizer Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_SY-1000_Guitar_Synthesizer_Pedal_U23-30073_01.webp "Boss SY-1000 Guitar Synthesizer Pedal [USED]")
![Boss DE-200 Rackmount Digital Delay [VINTAGE]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_DE-200_U23-26340_01.webp "Boss DE-200 Rackmount Digital Delay [VINTAGE]")
![Boss CS-3 Compression Sustainer Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_CS-3_Compression_Sustainer_Pedal_U23-29795_01.webp "Boss CS-3 Compression Sustainer Pedal [USED]")
![Boss AC-2 Acoustic Simulator Pedal [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/B/o/Boss_AC-2_Acoustic_Simulator_Pedal_U23-29260_01.webp "Boss AC-2 Acoustic Simulator Pedal [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 "4MS Quad Clock Distributor Expander [USED]")
![4MS Quad Clock Distributor Expander [USED]](https://www.perfectcircuit.com/media/catalog/product/cache/ded690e21f7abf5f4eba2c2c5d3bf323/4/M/4MS_Quad_Clock_Distributor_Expander_U23-23191_01.webp "4MS Quad Clock Distributor Expander [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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