Analog auto-wah with envelope follower and LFO modes. Multiple filter types from subtle funk to extreme squelch.

Suboctave synth plus envelope filter in one enclosure. The Dubterranea and Xerograph combined.

AF-9 auto-filter variant with slider controls instead of knobs. Same envelope-following circuit, visual layout.

Frostwave Blue Ringer clone. Voltage-controlled ring modulator for metallic, inharmonic textures.

Dual resonant filter with switchable HP/LP modes paired with channel-strip overdrive.

Dual envelope filter with two independent filter sections. Stack up and down sweeps for complex bass funk.

Dual-function pedal combining cocked wah voicing with additional effect.

Envelope filter based on the legendary Guyatone WR-3, with added controls for range, gain, and guitar/bass voicing.

Kinetic modulator with uber-flexible LFO, time sequencing, and resonant low-pass filter.

Creative filter with OBNE's distinctive processing character.

Sample and hold filter with random voltage for unpredictable textures.

Aggressive envelope filter with sinister tonal character.

Lo-fi VHS tape degradation effect with wow, flutter, and noise artifacts.

BJF-designed envelope filter with smooth auto-wah sweep for funk styles.

Korg MS-20 filter clone with dual LP/HP resonant filters, six knobs, and CV inputs for modular use.

MFOS Echo Rockit clone with VCF, LFO, and external CV input. Modulated delay chaos.

JFET/silicon fuzz with MS-20-style LM13700 low-pass filter and expression input.

Original big-box Q-Tron envelope filter with full control set and effects loop.

16 filter and synth models including envelope followers, talk boxes, and ring modulators.

Envelope filter with dynamic wah-like response. Follows your playing dynamics for expressive tones.

Moog Moogerfooger MF-101 recreation with 2/4-pole filter, envelope follower, and expression input.

Envelope-following auto-filter from the 9-series. Dynamic wah sweeps that track your pick attack intensity.

Multi-mode low pass filter with envelope follower, LFO, and expression control.

VCA compressor with envelope filter, band boost, overdrive, and CV patch points.