{"product_id":"sequential-fourm","title":"Sequential Fourm","description":"\u003ch3\u003eSequential Fourm – 4-Voice Analog Synth with Polyphonic Aftertouch\u003c\/h3\u003e\n\u003cp\u003eThe Fourm is a compact, expressive analog synthesizer built for deep musical interaction. With Sequential’s signature tone engine, hands-on modulation, and a Tactive™ keybed featuring polyphonic aftertouch, Fourm empowers performers to sculpt each note in ways rarely possible on modern synths. Discover new levels of nuance with Soundium.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTactive slim-key keyboard with polyphonic aftertouch:\u003c\/strong\u003e 37 keys designed to respond individually for per-note expression\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% analog voice architecture:\u003c\/strong\u003e Dual oscillators, Prophet-style 4-pole resonant filter, and full analog signal path\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-One style modulation matrix:\u003c\/strong\u003e Intuitive routing with clear source\/destination controls and color feedback\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyphonic step sequencer \u0026amp; arpeggiator:\u003c\/strong\u003e Up to 64 steps, tie\/rest support, per-step glide, and modulation routing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnison + vintage mode:\u003c\/strong\u003e Stack voices or introduce intentional component variation for character and warmth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust construction:\u003c\/strong\u003e All-steel chassis with intuitive, knob-per-function layout for immediate control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCustomer Benefits\u003c\/h4\u003e\n\u003cp\u003eWith Fourm, you get a hands-on synth that rewards performance. Polyphonic aftertouch adds a whole layer of expression—each note can evolve independently as you press deeper. The modulation matrix removes menu diving, encouraging spontaneous creativity. Whether layering pads, creating melodic textures, or morphing evolving soundscapes, Fourm bridges classic analog warmth with modern playability.\u003c\/p\u003e\n\u003ch4\u003eQuick Specs\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoices:\u003c\/strong\u003e 4 analog voices\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscillators per voice:\u003c\/strong\u003e 2 analog with selectable waveforms; Osc B supports low frequency mode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter:\u003c\/strong\u003e 4-pole resonant low-pass with bass compensation, self-oscillating capability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvelopes:\u003c\/strong\u003e 2 × ADSR (filter \u0026amp; amp)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLFO:\u003c\/strong\u003e 1 global, 7 waveforms, syncable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModulation buses \/ matrix:\u003c\/strong\u003e 2 buses, multiple sources \u0026amp; destinations, combined routing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolyphonic aftertouch destinations (up to 6 simultaneously):\u003c\/strong\u003e Osc A freq, Osc B freq, filter cutoff, amplitude, LFO freq, LFO amount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArpeggiator:\u003c\/strong\u003e 6 modes, octave range, re-latching, repeat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep Sequencer:\u003c\/strong\u003e 64 steps, supports chords, ties, rests, per-step glide, modulation outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeyboard:\u003c\/strong\u003e Tactive™ 37-note slim-key with polyphonic aftertouch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis:\u003c\/strong\u003e Steel construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (L × W × H):\u003c\/strong\u003e 56.2 cm × 25.1 cm × 7.0 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.97 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs \/ I\/O:\u003c\/strong\u003e Main mono out (¼\"), headphone out, MIDI In\/Out\/Thru, USB-C MIDI, expression\/footswitch input\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 12 V DC, 1.2 A (100–240 V AC PSU included), ~14 W consumption\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eWhat’s in the Box\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSequential Fourm synthesizer\u003c\/li\u003e\n\u003cli\u003e12V DC power supply\u003c\/li\u003e\n\u003cli\u003eUSB-C cable\u003c\/li\u003e\n\u003cli\u003eOwner’s manual\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eUse Cases \/ Ideal For\u003c\/h4\u003e\n\u003cp\u003eFourm excels in studio and live performance settings where expressiveness matters. It’s perfect for those wanting rich analog voices with deep modulation and note-level nuance. Great for melodic lines, evolving pads, rhythmic sequences, and interactive performance setups.\u003c\/p\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eWorks with all major DAWs and hardware via USB-MIDI or traditional MIDI ports. Expression or sustain pedals can be used via the footswitch jack. Integrates seamlessly in hybrid rigs and modular setups.\u003c\/p\u003e\n\u003ch4\u003ePros \u0026amp; Cons\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003e✅ Pros:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePolyphonic aftertouch in a fully analog four-voice synth—rare and expressive\u003c\/li\u003e\n\u003cli\u003eModulation matrix and knob-per-function layout encourage hands-on design\u003c\/li\u003e\n\u003cli\u003ePowerful sequencing and arpeggiator tools built-in\u003c\/li\u003e\n\u003cli\u003ePremium build with steel chassis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Cons:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo onboard effects (reverb, delay) — external effects required\u003c\/li\u003e\n\u003cli\u003e4 voices may be limiting for dense polyphonic patches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Sequential Fourm offers a rare combination of pure analog sound, touch-expressive polyphonic aftertouch, and intuitive control—designed for musicians who demand immediacy and depth in every note.\u003c\/p\u003e","brand":"Sequential","offers":[{"title":"Default Title","offer_id":54481879793932,"sku":"SEQ-FOURM","price":949.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/7416\/0652\/files\/sequential-fourm-hero.jpg?v=1778059198","url":"https:\/\/soundium.com\/sk\/products\/sequential-fourm","provider":"Soundium","version":"1.0","type":"link"}