FabFilter Simplon offers a streamlined filtering experience with two independent multi-mode filters capable of low-pass, high-pass, and band-pass responses. Each filter provides selectable slopes of 12, 24, or 48 dB per octave, allowing for precise shaping of sound. Users can configure the filters in either serial or parallel mode, expanding creative possibilities for tone sculpting and dynamic filtering effects.

The interface features a large, interactive filter display alongside substantial controls that facilitate intuitive manipulation of parameters. MIDI Learn functionality enables seamless integration with external controllers, enhancing workflow efficiency. Smart Parameter Interpolation ensures smooth transitions and high-quality sound modulation, while sample-accurate automation supports detailed performance adjustments within any digital audio workstation.

Designed to support both beginners and experienced producers, FabFilter Simplon includes interactive help hints and a comprehensive help file for immediate assistance. This combination of user-friendly design and professional-grade filtering capabilities makes it a powerful tool for shaping audio with clarity and precision in various music production contexts.