Auto-wah envelope filter with funky quack and dynamic response.

Budget envelope filter/auto-wah in micro format. Funky quack that responds to pick dynamics.

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

DIY PCB for building a Lovetone Meatball clone - the heavily tweaked Mu-Tron III envelope filter with blend and loop.

Dual-channel envelope filter/wah and octave for funk and soul with two filter modes and expression input.

Envelope filter with dynamic frequency response to playing dynamics.

1970s MXR Envelope Filter rebuilt with emphasis knob, up/down switch, and true bypass.

Envelope filter with Stroke (sensitivity), Fwonk (bass), and Juice (peak height) controls.

Envelope filter with up and down sweep modes, funky quack and touch-sensitive response.

Compact auto-wah with Sensitivity, Bias, Resonance, and Decay controls under a flip-top cover.

Envelope filter with resonant lowpass and multiple modes.

TB-303-inspired acid envelope filter. Low-pass with resonance, saturation, and quacky attack sounds.

76 octave fuzz with added multi-mode envelope filter section for synth-like textures.

Lovetone Meatball clone. Dual-mode envelope follower and triggered filter with deep controls.

Mu-Tron-style optocoupler envelope filter with voltage doubler for extra headroom and three filter ranges.

Danish envelope filter considered the world's best auto-wah, Pino Palladino approved.

Optical envelope filter with HP/BP/LP modes, Q control, and touch-sensitive dynamics.

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

Analog envelope filter with four controls: Sensitivity, Tone, Decay, and Q resonance. Works on guitar and bass.

Envelope filter with funky quack character. Auto-wah with the Fuzzrocious attitude and hand-built charm.

Funky, squawky envelope filter for wah-like quack.

Envelope filter that sweeps a resonant filter based on your pick attack. Auto-wah for funk rhythm and lead work.

Envelope-controlled EQ responding to playing dynamics. Touch-sensitive tone shaping.

Legendary downward-sweeping envelope filter from 1973 by Craig Anderton with voice-like synth response for funk and bass.