SH-009 Monosynth is a software emulation of the classic Roland SH-09 synthesizer, capturing much of the hardware's original sound and functionality. It provides users with a rich monophonic analog experience, offering a range of modulation options that enhance creativity and sound design. The emulation focuses on maintaining the character and charm of the vintage synth while delivering the convenience and flexibility of a modern plugin.

A standout feature of this synth is its LFO modulator, which includes random and sample-and-hold step voltage modes. These modulation sources can be applied to the oscillator, filter, and pulse width, allowing for dynamic and evolving sounds. Additionally, the envelope includes an invert switch that can modulate the filter, pulse width, and amplifier, providing further expressive control over the sound shaping process.

SH-009 Monosynth comes in two formats: a VST instrument and a VST effect. The instrument version serves as a standalone synth, while the effect version can be inserted into audio tracks or used within modular hosts to process external audio. This allows users to apply the classic SH-09 filtering and envelope control to any sound source, expanding its usability beyond traditional synthesis.