FilterFreak delivers warm, fat analog filter sweeps, rhythmic auto-wah effects, and gritty saturation with two plug-in versions for single or dual filter processing.
Analog Filter Character
FilterFreak captures the sound of classic analog resonant filters, delivering smooth retro synth sweeps through its frequency control. Crank resonance to add edge, or push it into self-oscillation for aggressive tones. When driven hard, the filter breaks up with a gritty, pleasing distortion that mimics hardware behavior.
Seven analog saturation styles range from warm and crunchy to pumping compression, offering subtle to extreme coloration. These styles give tracks character, whether you’re processing a bass line, synth lead, or drum loop. The result is a practical tool for adding musical movement without digital artifacts.
Rhythm and Groove Tools
Rhythm Mode with a MIDI switch lets you create auto-wah effects tempo-synced to your DAW. Choose simple note values like eighths or sixteenths, or select from pre-made rhythm patterns. The Rhythm Editor allows custom patterns, while the Groove knob adds swing or shuffle to match the track’s feel.
Envelope and ADSR modes trigger the filter with incoming audio, enabling funky envelope-follower effects or dynamic wah responses. This makes FilterFreak suitable for adding motion to static tracks, from seated guitar parts to filtered vocal hooks, all without manual knob tweaking.
Dual Filter Power
FilterFreak includes two separate plug-ins: FilterFreak 1 offers a single filter, while FilterFreak 2 provides two filters that can be configured in series or parallel. This dual setup expands sonic possibilities, allowing you to combine different filter types or modulation sources.
With deep modulation options, FilterFreak 2 lets you design complex, moving sounds that evolve over time. Use it for wide resonant sweeps similar to hardware units, or create campy sci-fi sample-and-hold effects. The parallel configuration is particularly effective for creating thick, layered textures.
Practical Applications
FilterFreak suits a range of production tasks: add funk to guitar, fatten bass lines, reshape drum transients, sweep synth pads, or apply vocal effects like wah and filter modulation. Its manual control via the frequency knob allows classic wah-wah tones during live tweaking.
The rhythmic sequences from the Rhythm Editor work well for electronic genres needing synchronized filter patterns. The Shape Editor enables custom LFO shapes, giving you precise control over modulation curves. This makes FilterFreak a versatile effect for both subtle color and dramatic filter movements.
Key features
- Classic resonant filter sound with extended control
- Select from highpass, lowpass, bandpass, and band-reject modes with 2 to 8 poles
- Two plug-ins: single filter and dual filter in series or parallel
- Rhythm Mode with pre-made patterns, custom editor, and groove control
- Envelope follower and ADSR triggering modes
- Seven analog saturation styles
- Shape Editor for custom LFO waveforms
Best for
Ideal for musicians and producers seeking warm analog filter sweeps, funky auto-wah effects, and rhythmic filter sequences on guitar, bass, drums, synths, or vocals, with the flexibility of single or dual filter configurations for creative sound design.