The expressive Fourm compact analog synthesizer with polyphonic aftertouch is now available for purchase directly from the Sequential webstore. We’re offering free shipping.

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.

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From the creation of the Prophet-5, the world’s first fully programmable polyphonic synthesizer, to the development of MIDI technology and beyond, Sequential has consistently pushed the boundaries of …

Sep 23, 2025 · At its core, Fourm delivers four analog voices of genuine Sequential sound, derived from the legendary Prophet-5 — complete with dual oscillators, a classic 4-pole lowpass filter, and …

As the modern successor to the legendary Pro-One, the Sequential Pro 3 monosynth represents the company’s most powerful and full-featured synthesis architecture to date.

The Return of a Legend The new Prophet-5 is Dave Smith’s timely return to the analog poly synth that changed the world. It’s “the best of all Prophet-5s” as Dave puts it because it embodies all three …

One Voice to Rule Them All The Pro 2 is Dave Smith’s flagship mono synth, and as Dave himself puts it, his “most powerful mono synth ever.” The Pro 2 shares the same exceptional ergonomics and …