{"product_id":"sequential-fourm-4-voice-polyphonic-analog-synthesizer-2379673","title":"Sequential Fourm 4-Voice Polyphonic Analog Synthesizer w\/ Polyphonic Aftertouch","description":"\u003cp\u003e\u003cstrong\u003eLegendary Analog Sound, Reimagined\u003c\/strong\u003e\u003cbr\u003eFourm delivers four genuine voices of Sequential analog sound, built on the legendary Prophet-5 voice architecture—right down to its envelope response curves. With dual oscillators offering simultaneous wave selection and a classic 4-pole low-pass filter, now enhanced with bass compensation, Fourm captures the warmth and punch that shaped a generation—and takes it to the next level.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eA New Fourm of Expression\u003c\/strong\u003e\u003cbr\u003eFourm’s 37-note slim-key keyboard features polyphonic aftertouch, unlocking expressive techniques like guitar-style note bends, solo voice swells, and other nuanced articulations—completely transforming the experience of playing a modern analog polysynth.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eModulation You Can Touch\u003c\/strong\u003e\u003cbr\u003eInspired by the Pro~One, Fourm’s top-panel modulation matrix puts deep sound design at your fingertips—no menu diving required. Route sources and destinations with a button press, visualize connections with color-coded indicators, and build complex modulation paths in seconds. It’s fast, intuitive, and designed to keep you in the creative flow.\u003c\/p\u003e\u003cp\u003e\u003ci\u003e\u003cstrong\u003eWarranty: One-year warranty included\u003c\/strong\u003e\u003c\/i\u003e\u003cbr\u003eWherever you are in the world, all Sequential hardware comes with a one-year warranty to cover any necessary repairs or replacements due to manufacturing faults.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e37-note slim-key keyboard with polyphonic aftertouch\u003c\/li\u003e\n\u003cli\u003eWarm and organic, 100% analog signal path\u003c\/li\u003e\n\u003cli\u003eIntuitive, welcoming knob-per-function layout\u003c\/li\u003e\n\u003cli\u003ePro-One style top-panel modulation matrix\u003c\/li\u003e\n\u003cli\u003eProphet-lineage resonant filter with bass compensation\u003c\/li\u003e\n\u003cli\u003eArpeggiator with sequencer mode\u003c\/li\u003e\n\u003cli\u003e128 world-class presets\u003c\/li\u003e\n\u003cli\u003ePro-quality, all-steel chassis\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSYNTHESIS\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAll oscillators have simultaneously selectable waveforms – LFO too\u003c\/li\u003e\n\u003cli\u003eOscillator B supports low frequency modes\u003c\/li\u003e\n\u003cli\u003eClassic Prophet-style Sync\u003c\/li\u003e\n\u003cli\u003e4-Pole resonant lowpass filter\u003c\/li\u003e\n\u003cli\u003eFeedback with aggressive drive circuit\u003c\/li\u003e\n\u003cli\u003e2 ADSR envelopes\u003c\/li\u003e\n\u003cli\u003eSequencer supports glide per step\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIN\/OUT\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMain output mono (1\/4” jack)\u003c\/li\u003e\n\u003cli\u003eHeadphone output mono (1\/4” TRS phone jack)\u003c\/li\u003e\n\u003cli\u003eMIDI in, out, and thru ports\u003c\/li\u003e\n\u003cli\u003eUSB for bidirectional MIDI communication\u003c\/li\u003e\n\u003cli\u003eFootswitch\/expression pedal input\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePOWER\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeparate power switch\u003c\/li\u003e\n\u003cli\u003e12V DC 1.2A power supply, center-positive (included)\u003c\/li\u003e\n\u003cli\u003eCan be plugged into an AC outlet capable of supplying from 100 V to 240 V at 50 Hz\/60 Hz.\u003c\/li\u003e\n\u003cli\u003e14 Watts maximum power consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePHYSICAL SPECS\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e22.13\" L x 9.88\" W x 2.75\" H (56.2 cm x 25.1 cm x 7.0 cm)\u003c\/li\u003e\n\u003cli\u003eWeight: 8.76 lbs. (3.97 kg)\u003c\/li\u003e\n\u003cli\u003eAnti-theft slot\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sequential Circuits","offers":[{"title":"Default Title","offer_id":43228208267399,"sku":"SEQ-3900","price":1274.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0343\/4368\/2183\/files\/sequential-circuits-keyboards-and-synths-synths-analog-synths-sequential-fourm-4-voice-polyphonic-analog-synthesizer-w-polyphonic-aftertouch-sequential-fourm-4-voice-polyphonic-analog-synthesizer-w-polyphonic-aftertouch-seq-3900-1211714846.jpg?v=1768207671","url":"https:\/\/www.chicagomusicexchange.com\/en-ca\/products\/sequential-fourm-4-voice-polyphonic-analog-synthesizer-2379673","provider":"Chicago Music Exchange","version":"1.0","type":"link"}