Four genuine Prophet-style analog voices deliver classic sequential sound with modern enhancements
37-note Tactive slim keybed with polyphonic aftertouch enables expressive, per-note control
Pro-One style top panel modulation matrix allows deep sound design with intuitive routing and color-coded feedback
100% analog signal path ensures warmth, organic tone, and robust build quality
Built-in sequencer and arpeggiator provide creative rhythmic and melodic possibilities
Summarized by Shop
Legendary Analog Sound, Reimagined
Fourm 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 captur
Voices
4 analog voices
Oscillators
2 per voice, selectable waveforms (Osc B supports low frequency mode)
Filter
4-pole resonant low-pass with bass compensation
Envelopes
2 ADSR per voice
LFO
1 global, 7 waveforms, syncable
Polyphony
37 notes
Chassis
All-steel construction
Dimensions
56.2 cm (L) x 25.1 cm (W) x 7.0 cm (H)
Weight
3.97 kg
Outputs
Main mono out (1/4"), headphone out (1/4" TRS), MIDI in/out/thru, USB-C MIDI, expression/footswitch input