Multiply by Acon Digital is a free chorus plugin that focuses on clarity and flexibility. Instead of coloring the signal with harsh modulation artifacts, it uses phase-randomized filters to keep the sound natural and clean. That makes it suitable for anything from subtle doubling to wide, atmospheric effects without the metallic edge that often plagues lesser chorus units.

Flexible chorus with clean, balanced sound

The plugin offers more depth than its simple interface suggests. Users can stack up to six additional voices, each with adjustable pitch and amplitude modulation. An integrated EQ shapes the effect further, with shelving and cut filters that help fit the chorus into a mix without muddying the low end. Extras like pre-delay, undo/redo, A/B comparisons, and full preset management add real usability, ensuring the effect can be dialed in quickly during sessions. Performance remains smooth even in larger projects, and the plugin supports all major Windows formats, making it easy to integrate into most digital audio workstations.

While Multiply isn’t designed to compete with premium modulation suites, its sound quality and thoughtful feature set make it feel far from limited. The visuals are utilitarian rather than flashy, but the clean layout benefits workflow. For producers who want a chorus that enhances without overwhelming, Multiply delivers a balanced approach that stands out among free plugins.

Final thoughts

Multiply proves that free doesn’t have to mean basic. It strikes a rare balance between simplicity and control, providing a chorus effect that works well on vocals, guitars, synths, or even full mixes. Its focus on clarity and practical design ensures it remains useful even when compared to paid alternatives.