Fourm is a compact analog synthesizer that invites you to play, shape, and perform with unprecedented expression. With its legendary Sequential tone, hands-on modulation, and uniquely responsive Tactive™ keybed, Fourm is a creative partner helping to bring your musical ideas to life. 

Fourm – Analogue Synthesizer

• Voices: 4

• Keys: 37 slim keys with polyphonic aftertouch

• Modulation: Pro-One-style modulation matrix

• Filter: Resonant filter from the Prophet line with bass compensation

• Arpeggiator: Includes sequencer mode

• Presets: 128

• Oscillators & LFOs: All have simultaneously selectable waveforms; Oscillator B supports low-frequency modes

• Classic Prophet-style synchronization

• Filter: 4-pole resonant low-pass filter

• Feedback: Aggressive “drive circuit”

• Envelopes: Two ADSR envelopes

• Sequencer: Supports “glide per step”

• Display: Yes

• Controllers: Pitch and modulation wheel

• Security: Anti-theft slot

• Outputs: Mono line output 6.3 mm jack, mono headphone output 6.3 mm jack

• Connectivity: MIDI in/out, USB, connector for footswitch/expression pedal

• Housing: Steel

• Dimensions (W x D x H): 562 x 251 x 70 mm

• Weight: 3.97 kg

• Includes: External power supply