The fourMulator is a quad digital, voltage-controllable LFO with Tap-Tempo and LFO synchronization to an external clock. Synchronization to an adjacent LFO is also possible, giving you the ability to shift the LFO’s phase.

The fourMulator contains four (digital) LFOs with the following waveforms: rising and falling sawtooth, square, triangle, sine, and random (S&H), and it also functions as a clock generator with a tap-tempo feature.

Each LFO can be free-running, synchronized to the master clock, or synchronized to the preceding LFO. When synced to the clock, the LFO can oscillate at a fraction or multiple of the clock. When synced to the preceding LFO, you can continuously shift its phase (and the start of the waveform) up to 180°. Each LFO (called "modulator" in fourMulator terminology) has a reset input and a CV input that always affects the Speed/Phase control function, whether frequency, clock divisor, clock multiplier, or phase. Each modulator has a waveform output and a trigger output that fires a trigger at the start of each waveform. Additionally, there is a master reset input affecting all modulators that don’t use the individual reset input. The Trigger Sequence output carries the sum of all synchronized trigger impulses. By shifting the modulators’ phases, you can create rhythmic structures.